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 Wheel hub motor, motor integrated wheel. Please choose the controller with the word hub. 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 HUB Motor Colour: As Shown Material: ABS Package Contents: 2 x Motherboard 2 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.