1、The cooling fan can be powered by the receiver, which is convenient and easy to use. 2、It is easy and convenient to install and detach, made of high‑quality materials, strong and durable. 3、Allow remote control car to travel longer distance, highest quality components to ensure high efficiency operation. 4、Strong current resistance, excellent heat dissipation, a good replacement choice for RC car. 5、Mainly used for EZRUN‑35A/EZRUN‑60A/QUICRUN30A and other remote control car. Item Type: RC Electric Speed Controller with Fan Material: Plastic + Electronic Components Color: Black Product Length: Approx. 25mm/1.0in(Excluding cable) Product Width: Approx. 25mm/1.0in(Excluding cable) Product Height: Approx. 10mm/0.4in(Excluding cable) Weight: Approx. 9.0g/0.3oz Input Voltage: 5-12V Input: 7-12Pcs NiMH Battery or 3Pcs Li-ion Battery Quantity: 1Pcs Mainly used for EZRUN‑35A/EZRUN‑60A/QUICRUN30A and other remote control car 1 x RC Electric Speed Controller with Fan 4 x Screw Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-dadangjia