Description [Electronic Speed Controller]: This speed controller with brake has the functions of forward, backward and brake [Specification]: Working voltage 3.0V-9.4V; Constant current 20A; Maximum current 25A; Pulse current 50A [Widely Application]: This rc accessory is widely used for RC car, RC boat, RC tank, RC crawler, remote control vehicle model [Fitment]: The 20A brushed ESC can work with 130 / 180 / 260 / 280 / 380 brushed motor; Size 35x22x6mm/1.38x0.87x0.24inch Specification: Condition: New Item Type: RC Accessory Material: PCB + Rubber Color: Red + Black Size: Approx. 35 * 22 * 6mm / 1.38 * 0.87 * 0.24inch Weight: Approx. 14g Applicable Product: for RC Car, RC Boat, RC Tank Function: Forward, Backward, Brake Working Voltage: 3.0V-9.4V Constant Current: 20A Maximum Current: 25A Pulse Current: 50A Input: Li-Po 2S / Ni-Mh / Ni-Cd 4-7 Cells Driver Frequency: 2KHz Brake On / With Brake Package List: 1 * 20A ESC