Features: It is made of high-quality metal materials, strong and durable, and has a long service life. It has the characteristics of efficient heat dissipation, low noise and high flow. You can work as you want without overheating the computer. With this CPU fan, keep your computer cool and comfortable on your lap or desk. Perfect design, high compatibility and easy installation and disassembly Specifications: Special Model: for 15-DA 15-DB L20470-001 L20474-001 L20491-001 L20483-001 DC28000JLF0 Heatsink Fan material: Metal Power Supply: DC5V 0.4A Size: Standard Color: As Pictures Quantity: 2PCS Package Includes: 1PC CPU Fan note: Due to manual measurement, please allow an error of 0-1cm. Please make sure you don’for t mind before bidding. Due to the difference of different monitors, the picture may not reflect the actual color of the item. Thanks! Only the cooling fan, does not include other accessories in the picture!