AMENDMENT
      NO. 1 

     

    TO
      REGISTRATION RIGHTS AGREEMENT

    


     

    This
      AMENDMENT NO. 1 to the REGISTRATION RIGHTS AGREEMENT is entered into as of
      March
      9, 2007 (this “Amendment”)
      by and
      among China Public Security Technology, Inc. (formerly, Irish Mag, Inc.), a
      Florida corporation (the “Company”),
      and
      the investors signatory hereto (each an “Investor”
      and
      collectively, the “Investors”).
      Each
      of the parties hereto are referred to as a “Party”
and
      collectively as the “Parties”.
      Capitalized terms used, but not otherwise defined, herein have the meanings
      ascribed to such terms in the Original Agreement (as defined
      below).

     

    BACKGROUND

     

    The
      Parties entered into a Registration Rights Agreement, dated as of January 31,
      2007 (the “Original
      Agreement”),
      pursuant to which the Company is obligated to a file, within a pre-defined
      period, a registration statement under the Securities Act of 1933, covering
      the
      resale of shares of the Company’s common stock issued to the Investors under a
      Securities Purchase Agreement among the Parties dated January 16,
      2007.
      The
      Parties now desire to enter into this Amendment to modify the terms of the
      Original Agreement as more specifically set forth herein.

     

    AGREEMENT

     

    NOW,
      THEREFORE, in consideration of the mutual promises of the Parties, and for
      good
      and valuable consideration, the receipt and sufficiency of which are hereby
      acknowledged, the Parties agree as follows:

     

    1.  Amendment
      to Definition of Filing Date:
      Subsection (a) of the meaning given for “Filing Date” in
      Section 1
      of the
      Original Agreement is deleted in its entirety and in lieu thereof the following
      provision is inserted: 

     

    “(a)
      with
      respect to the Registration Statement required to be filed under Section 2(a),
      the 75th
      day
      following the Closing Date”

     

    


    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

     

    2.  Amendment
      to Definition of Effectiveness Date:
      Subsection (a) of the meaning given for “Effectiveness Date” in
      Section 1
      of the
      Original Agreement is deleted in its entirety and in lieu thereof the following
      provision is inserted: 

     

    “(a)
      with
      respect to the
      Registration Statement required to be filed under Section 2(a),
      the
      earlier of (i) the 180th
      day
      following the Closing Date, and (ii) the fifth Trading Day following the date
      on
      which the Company is notified by the Commission that such Registration Statement
      will not be reviewed or is no longer subject to further review and
      comments”

     

    3.  Agreement.
      In all
      other respects, the Original Agreement shall remain in full force and
      effect.

     

    4.  Counterparts.
      This
      Amendment may be executed in two or more counterparts, each of which shall
      be
      deemed an original but all of which together shall constitute one and the same
      instrument.

     

     

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    IN
      WITNESS WHEREOF, the parties hereto have duly executed this Amendment as of
      the
      date first above written.

     

    
      	 	 	 
	 	
              CHINA
                PUBLIC SECURITY TECHNOLOGY, INC.

            
	 
 	 
 	 
 
	 	By:  	/s/ Jiang
              Huai Lin
	 	
              

              Jiang
                Huai Lin

              President
                and Chief Executive Officer 

            


    

    
    

     

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    SIGNATURE
      PAGES OF INVESTORS TO FOLLOW]

     

     

     

     

    

      Amendment
        No. 1 Registration Rights Agreement



    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    


    IN
      WITNESS WHEREOF, the parties hereto have duly executed this Amendment as of
      the
      date first above written.

    
      
        	 	 	 
	 	
                INVESTORS:

              
	 	 
	 	THE PINNACLE FUND, L.P.
	 
 	 
 	 
 
	 	By:  	/s/ Barry
                M.
                Kitt
	 	
              	
                

                Barry
                  M. Kitt,
                  Sole
                    Member, Pinnacle Fund Management, L.L.C.,

                  the
                    General Partner of Pinnacle Advisors, L.P.,

                  the
                    General Partner of The Pinnacle Fund, L.P.

                

              
	 	 	 
	 	ADDRESS FOR
                NOTICE
	 	 	 
	 	
                The
                  Pinnacle Fund, L.P.

                4965
                  Preston Park Blvd., Suite 240

                Plano,
                  TX 75093

                Attention:
                  Barry M. Kitt

                Tel:
                  972-985-2121

                Fax:
                  972-985-2122

                bk@pinnaclefund.com

              
	 	 	 
	 	
                PINNACLE
                  CHINA FUND, L.P.

              
	 	 	 
	 	 	 
	 	By:	/s/ Barry M. Kitt
	 	 	
                

                Barry
                  M. Kitt,

                Manager,
                  Kitt China Management, L.L.C.,

                the
                  Manager of Pinnacle China Management, L.L.C.,

                the
                  General Partner of Pinnacle China Advisors, L.P.,

                the
                  General Partner of Pinnacle China Fund, L.P.

              
	 	 	 
	 	ADDRESS FOR
                NOTICE
	 	 	 
	 	
                Pinnacle
                  China Fund, L.P.

                4965
                  Preston Park Blvd., Suite 240

                Plano,
                  TX 75093

                Attention:
                  Barry M. Kitt

                Tel:
                  972-985-2121

                Fax:
                  972-985-2122

                bk@pinnaclechinafund.com

              


      

    

     

     

     

     

    

      Amendment
        No. 1 Registration Rights Agreement