The ESCis for WPL C14 C24 B14 B24 B16 B36 RC Truck RC Crawler Off-road Semi-truck. It is the best choice for RC hobbyist. Features: TheRC ESC with JST plug,Voltage: 4-8V Small size, light weight,30 * 18 * 8mm, about 9.5g Made of high quality material to upgrade your car's performance Perfect for WPL C14 C24 B14 B24 B16 B36 RC Truck RC Crawler Off-road Semi-truck Any problem, please contact our store without hesitation. Honor to serve you Specifications: Name:RC ESC Voltage: 4-8V Plug: JST Weight: 9.5g Size: 30 * 18 * 8mm UBEC output: voltage 5.7V, current 1A (supply receiver, steering gear power) Current Parameters: 30A forward, Back 20A, Brake 40A, instantaneous peak 40A Suitable for: WPL C14 C24 B14 B24 B16 B36 RC Truck Note: Please kindly note that there could be a few deviation as the result of manual measurement. Thank you Package Information: Package size: 8 * 7 * 1cm / 3.12 * 2.73 * 0.39in Package weight: 11g Poly bag package Package List: 1 * RC ESC