Specification: Item Name: NEEBRC RC Motor Cooling Fan Material: Plastic Color: Black Voltage: DC 5-12V Current: 0.5A RPM( 8.4V ): 16000 Size: 40*40*10mm/1.57*1.57*0.39in Cable Length: Approx. 200mm / 7.87inch Weight: Approx. 30g Package included: 1*Motor Cooling Fan 4*Screws 1*L-shaped hexagonal screwdriver