Feature: 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 highquality materials, strong and durability. 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 EZRUN35A/EZRUN60A/QUICRUN30A and other remote control car. Specification: 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 EZRUN35A/EZRUN60A/QUICRUN30A and other remote control car Package List: 1 x RC Electric Speed Controller with Fan 4 x Screw