Specifications:
Size: 410 * 292 * 29mm
Fan size: =140 * 140 * 15 (1PCS) =80 * 80 * 15 (4PCS) weight: 990g
Fan speed: 140: 1100 ± 10% / 8015: 2100 ± 10%
RPM The maximum air flow: 76.35CFM
Rated voltage: 5VDC
Rated current: 0.8 ± 10% A.
Input power: 4w 1. it is make by metal and high quality ABS material. 2. There are 5 LED fans, make the cooling faster, and there are build in red LED, also, the speed of the fans can be adjusted. 3. The holder can be adjust, you can According to your habits to adjust it. 4. When the 5 fans be fastest, the decibel is just 28. 5. It works with 12-17 inch laptop.