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                                                                   EXHIBIT 10.10

                                    CONTRACT

Party A: Shenzhen Talfook Chong Industrial Co., LTD
Party B: Color Kinetics Inc.

                                  1. CHAPTER I

1.1.     Through friendly negotiation, in accordance with Contract Law of the
         People's Republic of China, the Administrative Provisions for Shenzhen
         Futian Free Trade Zone and other relevant Chinese laws, Party A and
         Party B adhering to the principle of equality and mutual benefit and
         through friendly consultations, both agree to sign this contract to
         abide by.

                                  2. CHAPTER II

2.1.     Party A shall lease room which is located in Talfook Chong Warehouse
         Building, Shenzhen Futian Free Trade Zone to Party B for the use of
         stocking. The building area of room is 200 square meters.

2.2.     The lease term is ONE year, i.e. from DEC 15, 2003 to DEC 31, 2004.

                                 3. CHAPTER III

3.1      Warehouse Leasing Charges: USD 5.5 /M2 /month; i.e: Party B should pay
         Party A USD 1100 per month. In other words: one thousand one hundred
         USD Dollars. (Fix Rate)

3.2.     Loading & unloading Charges:

            3.2.1. Loading charge: 20' :USD 24/truck, 40' :USD 48/truck;

            3.2.2. Unloading charge: :USD 24/truck, 40' :USD 48/truck;

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            3.2.3. Bulk cargo: USD 2.0/ (T)CBM;

3.3.     Administration Fee: USD 515.00 /person / month; (Remark: this fee
         includes that Talfook will assign particular person to take charge of
         outgoing and incoming cargos, solve any problem incurred by China
         Customs, inventory check and be responsible of the security of cargos.
         Also including water/electronic Fee.)

3.4.     Clerify China Customs: USD 12.00/Sheet; (Remark: Going abroad,
         including HK: Each declaring form can most contain 9 items; Entering
         into Mainland: Each declaring form can contain 5 items.)

3.5.     Customs Inspection: USD 12.00/Sheet.

3.6.     Picking Fees: USD 1.5 /CBM (Remark: This fee charged for picking up
         different LED);

3.7.     Palllet Fee: USD 9.0 /Pallet (Pallet Provided);

3.8.     Transfer Fee: USD 1.5 /CBM (Remark: Transfer within Warehouse);

3.9.     Inventory Report:, USD 12 /Time (Remark: Including the physical check);

3.10.    Service Charge for Drop Ships: USD 3.0 each;

3.11.    Packing Fee: USD 0.6 per Carton;

3.12.    Marking Fee: USD 0.15 per Carton;

3.13.    Overtime charges: USD 1.2/Hour/Person

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3.14.    Party B should pay Party A leasing charges in manner of commitment
         payment on 5 of this month; As to other charges, Party A should give
         the settlement requisition to Party B on 3 of next month and Party B
         should pay it to Party A during 5 days after receiving settlement
         requisition.

3.15.    Remark: The above charges do not include any fees required by China
         Customs. The fees charged by China Customs will be reimbursed from
         Color Kinetics.

                     4. Chapter IV Warehouse Using and Rules

4.1.     Party B should abide by national and local fire protection provision
         and real estate rules.

4.2.     Party A's warehouse is drysaltery warehouse, and Party B can't stock
         flammable, explosive, putrescible and Poisonous cargos. Party B is
         responsible for the loss and compensation caused by delayed treatment
         when notified by Party A that there is something wrong with the Goods.

4.3.     Party B shall provide Party A, which is stipulated, in the contract to
         declare to the Customs for Party B, all the necessary documents and
         fee. The failure of Customs clearance caused by Party B shall be borne
         by Party B.

              5. CHAPTER V TITLE AND RESPONSIBILITIES OF BOTH PARTY

5.1.     Title and Responsibilities of Party A

            5.1.1. Party A should offer Party B loading & unloading service and
            other basic establishment.

            5.1.2. Party A is entrusted to store, load and unload Goods in good
            and

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            safe conditions; if they are stolen, missing or damaged, Party A is
            responsible for the compensation. If the consequences of fustiness,
            rust, fading, deterioration are from natural disaster / Goods nature
            / package problem, the Part B bear the responsibility. If the cause
            of the above problem is not clear, it, shall be analyzed by
            international inspection company, if the problems are related to the
            warehousing, Part A shall pay the inspection fee and boar the
            responsibility, otherwise, Part B shall pay the inspection fee and
            bear the responsibility. Meanwhile, Party B shall apply to the
            Customs about the Goods loss.

            5.1.3. For In and out of cargo, Party A is responsible for nothing
            but appearance of cargo; when the value of Party B's cargo is lower
            than the charges that party B owe Party A, Party A has right to
            request that Party B settle up leasing charges, or else, Party A has
            right to prohibit Party B's cargo out.

5.2.     Responsibilities of Party B

            5.2.1. Party B has legal capacity to rent and use the warehouse of
            Shenzhen Talfook Chong Industrial Co., LTD in FFTZ of People's
            Republic of China and promises to obey the laws of People's Republic
            of China.

            5.2.2. When Party B's cargo appear any abnormity or draw on
            invalidation date, Party B should deal with it in time after getting
            the notice of Party A, or else, Party B should be responsible for
            the damage, and give the compensation to Part A's damage.

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            5.2.3. Deposit: Party B shall pay the rent for one month to Party A
            as the deposit hereof within seven days after signing and stamping
            of the Contract by the two Parties. On condition that Party B has
            duly and completely performed the Contract and the Contract expires,
            in the event that Party B will not renew the lease, Party A shall
            return the overall deposit to Party B at the end of the lease term
            and permit Party B to use the deposit to pay the rent or other
            expenses hereof. In addition, Party B shall as well pay the rent for
            the current month to Party A when paying the deposit.

            5.2.4. Party B should pay Party A correlative charges on time; If
            Party B's cargo need insurance, Party B can do it or consign Party A
            to do it and pay the additional insurance charge. Party A bought the
            insurance with the value of RMB30,000,000 for the cargos instored in
            Talfook warehouse.

                                  6. CHAPTER VI

6.1.     Party B is responsible for all if Party B break any law and policy and
         other provision.

6.2.     If Party B delayed over one months, Party A has the right to stop
         shipment of Goods of Part B.

6.3.     Party B has no right to demand other compensation except deposit. If
         any Party wants to relieve the contract in advance, it should notify
         the other Party in written form 30 days in advance and should pay the
         other Party one month of leasing charge and the deposit as
         compensation.

6.4.     When the contract expire or relieve, Party B should move all cargos out
         of Party

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         B's warehouse during 30 days after expired date, or else, Party B has
         right to bring an accusation against Party B for compensation.

6.5.     Compensation for cargo's damage should be calculated by purchasing
         price or price after being adjusted by Nation, residue should be
         deducted.

                      7. CHAPTER VII SETTLEMENT OF DISPUTES

7.1.     Any disputes arising from or in connection with this contract shall be
         settled on the basis of amiable consultation; otherwise, they shall be
         submitted to the People's Court of People's Republic of China for
         arbitration.

                          8. CHAPTER VIII OTHER CLAUSES

8.1.     Both parties shall keep the contract secret except for registration or
         other purpose.

8.2.     Party A's duty time is from 8:30 am to 5:30 pm except legal leave day,
         if Party B's cargo need in and out, Party B should notify Party A in
         advance.

8.3.     For some un-discussed matters, both parties can consult to sign a
         supplementary agreement, which are as valid as this contract. Each
         party holding two copies.

8.4.     If the contract is signed by the persons entrusted by the legal
         representatives of both parties, they shall provide the Letter of
         Authorization.

8.5.

1. Copy for License of Business and Party B's license of house leasing permit
for both Party.

2. Certificate of artificial person and commitment certificate or artificial
person for both Party.

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3. Party A provide website service and technical support to Party B.

4. This English Contract is the translation of Chinese Contract. Party A and
Party B will take Chinese Contract as the formal Contract if there is and
dispute in the future.

Party A (company stamp):  Shenzhen Talfook Chong Industrial Co., LTD
Address:  No 9, Road ShiHuaLu, Futian Free Trade Zone, Shenzhen
Legal representative:  /s/
                       -----------------------------
Telephone:  0086 755 8359 0383
Fax:  0086 755 8359 0883
Account Issuing Bank:  China Construction Bank Branch Futian Free Trade Zone
                                    Sub-Branch;

Account Number:  0661422101106IB

Party B (company stamp):  Color Kinetics Inc.

Legal representative:  /s/
                       -----------------------------
Telephone:
Fax:
Account Issuing Bank:  /s/                12/7/2003
                       -----------------------------
Account Number:
Signature Date:  December 8, 2003
Signature Place:

Add:  Rm. D, 13/F, LiWu Bldg.
      Dong Men South Rd.
      Shenzhen, China

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                                                                   EXHIBIT 10.11

                       [Color Kinetics Incorporated Logo]

September 14, 2001

Mr. William J. Sims
20 Brook Avenue
Montvale, NJ  07645

Dear Bill:

         Color Kinetics Incorporated (the "Company") is pleased to confirm its
offer to employ you as President/ Chief Operating Officer and member of the
Board of Directors reporting to George Mueller, Chairman / CEO. All of the
current direct reports to George Mueller (with the exception of Ihor Lys) will
report to you directly. In addition, you will have full responsibility for the
operations of the Company. This letter agreement, together with that certain
Nondisclosure, Noncompetition and Developments Agreement described below, shall
constitute the entire agreement between you and the Company with respect to the
terms and conditions of your employment, and shall supersede any and all prior
agreements and understandings, whether oral or in writing, with respect to the
subject matter of this agreement.

         Your effective date of hire as a regular, full-time employee will be
determined upon acceptance of this offer of employment.

         Your salary will be paid at an initial rate of $25,000.00 monthly. You
will be paid in accordance with the Company's normal payroll practices as
established or modified from time to time. Currently, salaries are paid on a
semi-monthly basis. In addition, you will be eligible for an annual bonus of
$200,000.00 (will be prorated for 2001 based on start date.) This bonus will be
determined based upon your individual performance and the Company's performance
against its year 2001 operating objectives.

         The Company will grant you a stock option under the Company's 1998
Stock Option Plan to purchase 400,000 shares of the Company's Common Stock
(which represents approximately 2% of the fully diluted outstanding shares)
subject to the Board of Directors' approval, at $2.50 per share, which is the
estimated fair market value as of the date of this offer. Notwithstanding the
foregoing, upon a Change-in-Control of the Company prior to the Vesting Start
Date this Option shall become exercisable for 50% of the Total Number of Option
Shares, provided that the Holder is an employee of the Company at the time of
the Change-in-Control; thereafter, the Option shall become exercisable for an
additional 6.25% of the Total Number of Shares at the end of every three month
period following the Vesting Start Date. In the event of a Change-in-Control of
the Company on or after the Vesting Start Date, the vesting of Option Shares
hereunder shall accelerate by twelve months, provided that the Holder is an
employee of the Company at the time of the Change-in-Control. For purposes of
this Option, a Change-in-Control shall be deemed to occur if (1) the Company
engages in a merger or consolidation under circumstances in which the
stockholders of the Company immediately prior to such merger or consolidation do
not own after such merger of consolidation shares representing at least 50% of
the voting power of the Company or the surviving or resulting corporation, as
the case may be;

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(ii) the Company sells or otherwise disposes of all or
substantially all of its assets; or (iii) the Company engages in any other
transaction equivalent to a sale of the Company, as determined by the Board of
Directors. Further details regarding your stock options will be outlined in the
Color Kinetics Inc. Incentive Stock Option Agreement.

         The company will pay your temporary living expenses for six (6) months.
Upon your employment, the company will identify cost effective and suitable
temporary accommodations. In addition, the company will pay the cost of up to
three-economy flights home per month during this six-month period. After this
six-month period, it is your responsibility to secure an alternative living
arrangements at your own expense.

         You will be eligible to receive a severance payment equal to twelve
(12) months salary in accordance with the enclosed severance agreement.

         As a regular, full-time employee you are eligible to participate in the
employee benefit plans which the Company offers to its employees. In addition,
pending your ability to provide evidence of insurability, the company will
provide you with an enhanced life insurance benefit in the amount of $500,000.
These plans may, from time to time, be amended or terminated with or without
prior notice.

         The Company requires you to verify that the performance of your
position at Color Kinetics does not and will not breach any agreement entered
into by you prior to employment with the Company (i.e., you have not entered
into any agreements with previous employers that are in conflict with your
obligations to Color Kinetics). Please provide us with a copy of any such
agreements. You will also be required to sign a Noncompetition, Nondisclosure
and Developments Agreement as a condition of your employment with the Company. A
copy of this agreement will be made available to you.

         Moreover, please provide us, for purposes of completing the I-9 form,
either a U.S. Passport or a picture ID issued by the state or federal government
(such as a driver's license) and a U.S. Social Security Card.

         The above terms are not contractual. They are a summary of our initial
employment relationship and are subject to later modification by the Company.
Your employment with Color Kinetics will be "at-will," meaning that either you
or the Company may terminate your employment relationship at any time, for any
reason, with or without prior notice. The Company has found that an "at-will"
relationship is in the best interests of both the Company and its employees.

         Please indicate your acceptance of this offer by signing and dating the
enclosed copy of this letter and returning it in the enclosed envelope by
September 17, 2001.

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         We look forward to you joining the Company and are pleased that you
will be working with us.

                                             Very truly yours,

                                             /s/ George Mueller
                                             -----------------------------------
                                             George Mueller
                                             Chairman / Chief Executive Officer

AGREED AND ACCEPTED

/s/ William J. Sims    9/17/01
------------------------------
William J. Sims         Date

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