How to choose the right controller:1. Confirm what voltage your battery is 6 strings of batteries are 25.2V, 7 strings of batteries are 29.4V, 10 strings of batteries are 36V2. Confirm the type of motor: External motor Chain, belt drive Model aircraft motor Use the controller with the words belt. Wheel hub motor, motor integrated wheel Please select the controller with the word hub3. Confirm single-wheel drive dual-wheel drive or four-wheel drive: A controller drives a motor is a single drive, One controller drives two motors is double drive, One controller drives four motors is four-wheel driveTaboo: Do not connect the motor cables in parallel to allow a single drive to drive two motors. The procedures of four-wheel drive and dual-wheel drive are different, and two dual-wheel drives cannot be combined into four-wheel drive.Electric four-wheel skateboard control system:Using the sine wave scheme, the performance is more stable than the ESC, and it is not easy to burn outFeatures: low speed high torqueTwo-way communication, you can check the power of the skateboard through the remote controlLow-voltage alarm function, under-voltage power-off protection functionNote: The voltage is different, the alarm voltage and the protection voltage are differentCarrying weight: less than equal 120KGApplication areas: scooters, unicycles, twisting cars, balance carsSuitable for hub motor aircraft model motor 5055 5065 6354 6364 6374 6384Type: for HUB ProgramMaterial:composite materialcolour:As ShownPackage Contents:1 x control board kitOnly the above package content, other products are not included.Note: Light shooting 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.