Application areas: scooters, wheelbarrows, torsion cars, balance cars The upgrade dual-motor drive ESC is a double layer board and much other ESC and Wireless 2.4G remote control transmission to control. (The maximum distance can reach 20 meters.) Adopting sine wave solution, the performance is more stable than other ESC and not easy to burn out Low speed and high torque. How to choose the right controller: 1. Confirm the voltage of your battery 6-series battery is 25.2V, 7-series is 29.4V, 10-series battery is 36V,12-series battery is 48V. 2. Confirm the type of motor External motor chain, belt drive, use the controller with belt. Hub motor, motor integrated wheel, please choose the controller with hub. 3. Confirm single drive, dual drive or four drive Product Name:12S 48V Electric Skateboard Controller Kit for Dual Drive Motor ESC Replace Parts Size:Aluminum substrate . 104x80mm Rated Voltage:48V (36V-50.4V) Rated current:70A (single motor 35A) Rotate speed:7500r/min (Hub motor maximum speed of revolution) Drive mode:Dual Motor Drive Max. speed:50KM/H Max. Loaded:120kg/264.55 lbs Remote distance:20m/65.62ft(Max.) Sensing:Hall Power connector:for Hall interface:5pin 2.0 connector Motor:4mm Banana Colour:As Shown Material:Plastic Package Contents: 1set * Scooter Dual-drive Motherboard( color is random, and the designation is not accepted) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.