Features:<br> Using a high-performance 32-bit MCU, it supports protection functions for overvoltage, overcurrent, overheating, undervoltage, etc.<br> Support fixed speed cruise, braking energy recovery, and adjustable speed limit.<br> The controller can switch between sports and comfort modes.<br> Through the mobile phone APP, it not only can upgrade the firmware , but can set the parameters or view the status.<br> Double closed-loop system, quiet operation, smooth cut-in for secondary acceleration.<br> It comes with a headlight and a taillight, which make it safer to ride at night.<br> Specifications:<br> Material: Aluminum + ABS + PCB Board<br> Voltage: 36V<br> Current: 16A<br> Max. Speed: 30KM/H<br> Novice Speed Limit: 15KM/H<br> Climbing Angle: less than 15 degrees<br> Max. Torque of Drive Motor: 35NM * 2<br> Max. Power of Drive Motor: 350W * 2<br> Instantaneous Maximum Power: 2000W<br> Package Size: 150 * 150 * 50mm/ 5.9 * 5.9 * 2.0in<br> Package Weight: 380g/ 13.4oz<br> Packing List:<br> 1 * Controller Board<br> 1 * Digital Display Board<br> 1 * Panel Cover<br> 1 * Front Light<br> 1 * Tail Light<br> 1 * Communication Line<br> 1 * Accelerator<br> 1 * Manual