Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: DEWALT DW927K-2 12 Volt 3/8-Inch Cordless Compact Drill/Driver Kit
Product description: DeWalt has redesigned its compact line of drill/drivers to produce more torque and provide increased durability. Weighing just 3.9 pounds, the DW927K-2 12-volt drill/driver delivers 300 in./lbs. of maximum torque, thanks to the DeWalt-built Series 3000 high-performance motor. The DW927 has an 18-position adjustable clutch for driving screws without overdriving them. The dual-range 0 to 450 / 0 to 1,400 rpm VSR feature provides flexibility for both large and small applications. Other features include a 3/8-inch ratcheting chuck that provides increased gripping strength and all-metal planetary gears for increased durability. The kit includes the drill/driver, one-hour charger, two compact batteries, double-ended screwdriver bit, and heavy-duty kit box., Features Compact size and lightweight, weighs only 3.9 lbs. DeWalt-built Series 3000 high-performance motor delivers 300 in./lbs. of maximum torque 3/8-inch keyless ratcheting chuck for increased gripping strength All-metal planetary gears for increased speed and durability Dual-range 0 to 400 / 0 to 1,400 rpm for a wide range of applications, Specifications, Voltage: 12 volts Keyless chuck: yes Automatic spindle lock: N/A Adjustable clutch: yes Chuck size: 3/8 inch Max. torque: 300 in./lbs. No-load speed: 0 to 400 / 0 to 1,400 rpm Capacity in steel: 3/8 inch Capacity in wood: 1 inch Spindle thread: 1/2 inch-20 Tool weight: 3.9 lbs. Shipping weight: 9.9 lbs., Includes 1-hour charger 2 12-volt compact batteries Double-ended screwdriver bit Heavy-duty kit box, Warranty This DeWalt high-performance industrial tool comes with a warranty package that includes: 30-day, no-risk satisfaction guarantee One-year free service contract One-year warranty
Product brand: DEWALT
Target attributes: Power Type
Answer: attribute: power type
value: voltage
source: product description
attribute: power type
value: batteries
source: product description
attribute: power type
value: volt
source: product title
attribute: power type
value: cordless
source: product title
attribute: power type
value: charger
source: product description