Features： 1、Power Display: S810 LED display can be compatible with 36V and 48V voltage. The intelligent power display can truly reflect the battery power, record the power consumption in real time, and ensure the riding mileage. 2、4 Wire Digital Communication: With multi function self tuning function. Users can customize parameters according to different models, such as motor parameters, speed parameters, and speed parameters. 3、Gear Memory Function: High, medium and low gear analog torque thrust, switch gear and gear indication display, with gear memory function, can automatically restore the gear status in case of power failure. 4、Wide Applications: S810 LED panel is suitable for 22.2mm handlebars, electric bikes, scooters and other accessories; The LED instrument panel has sensitive buttons for easy operation. 5、Waterproof: Made of ABS with fine workmanship, high toughness and waterproof performance, this bike LED dispaly meter providing better protection for the internal circuit and making it more durable. Specification： Item Type: Electric Bike S810 LED Panel Material: ABS Gross Weight: 130g / 4.6oz Applicable Handlebar Size: 22.2mm / 0.9in Voltage: 36V 48V Package List： 1 x LED S810 Panel 1 x Manual