High torque at low speed Two-way communication, you can check the skateboard battery through the remote control Low voltage alarm function, under-voltage power-off protection function Note: Different voltages, alarm voltages, and protection voltages are different. Loading weight:less than equal 120KG. Application fields: Scooter, unicycle, twist car, balance car How to choose the right controller: 1. Confirm what voltage your battery is The 6-string battery is 25.2V, the 7-string battery is 29.4V, and the 10-string battery is 36V. 2. Confirm the motor type External motor, chain, belt drive, use belt-marked controller 3. Confirm whether it is single drive, dual drive or four drive A controller drives a motor, which is a single drive One controller drives two motors, which is a dual drive One controller drives four motors to achieve four-wheel drive Taboo: Do not connect motor lines in parallel to allow a single drive to drive two motors Electric four-wheel skateboard control system: Using Zhengxuanbo solution, the performance is more stable than ESC and not easy to burn out. Remote control and main controller matching signal description: 1: Connect the main control to the power supply 2: Turn on the power, wait two seconds and then and hold the switch button for about 6 seconds. Release it immediately after the switch indicator light flashes. 3: Turn on the remote control switch and use a small screwdriver to the button in the small hole in the lower left corner of the remote control. Type:For Belt Motor Colour:As Shown Material:ABS Package Contents: 1 x Motherboard 1 x Remote control 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.