Features: Using a high-performance 32-bit MCU, it supports protection functions for overvoltage, overcurrent, overheating, undervoltage, etc. Support fixed speed cruise, braking energy recovery, and adjustable speed limit. The controller can switch between sports and comfort modes. Through the mobile phone APP, it not only can upgrade the firmware , but can set the parameters or view the status. Double closed-loop system, quiet operation, smooth cut-in for secondary acceleration. It comes with a headlight and a taillight, which make it safer to ride at night. Specifications: Material: Aluminum + ABS + PCB Board Voltage: 36V Current: 16A Max. Speed: 30KM/H Novice Speed Limit: 15KM/H Climbing Angle: less than 15 degrees Max. Torque of Drive Motor: 35NM * 2 Max. Power of Drive Motor: 350W * 2 Instantaneous Maximum Power: 2000W Package Size: 150 * 150 * 50mm/ 5.9 * 5.9 * 2.0in Package Weight: 380g/ 13.4oz Packing List: 1 * Controller Board 1 * Digital Display Board 1 * Panel Cover 1 * Front Light 1 * Tail Light 1 * Communication Line 1 * Accelerator 1 * Manual Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!