1、Characteristic: ABS housing, fine workmanship, good toughness and waterproof performance, provide better protection for the internal circuit, making it more durable. 2、Useful Tool: Able to compatible with 36V and 48V voltage, intelligent electric quantity display, truly reflect battery quantity, real time record electric quantity consumption, clear with cycling mileage. 3、Easily View: During riding, you can easily view the data displayed on the LCD meter, such as remaining battery, current speed, mileage and other parameters. 4、Suitable Situation: Widely used, suitable for 22.2mm/0.9in handlebars, perfect accessories for electric bicycles, scooters and other vehicles; External 3 way button is easy to operate. 5、Multi Functions: The meter can also display the real time speed, Km/Mi, electric quantity, fault code and mileage, and also able to control the headlight, backlight brightness, gears.