The Display can only be matched with the mid mounted motor, for example, these models: M400 G330 G510 G340 M615 Power supply: 24V/36V/48V Weight:170g Interface type: 5-pin waterproof interface Applicable handle size: 22.2mm/0.9 inches Support level mode: 0-5 Operating temperature : -30~70℃ Storage temperature : -40~70℃ Communication method: UART Turn off leakage current: less than1uA Waterproof rating: IP65 Compatible motor: Suitable for BBS01 BBS02 mid mounted motor Suitable for low temperature,Max -30℃. Ergonomic external button design, easy to operate. Speed display: AVG SPEED, MAX SPEED, SPEED (Real-time). Kilometer / Mile: Can be set according to customers' habits. Smart battery indicator: Provide a reliable battery indicator. The brightness of the backlight adjustable : 5-sections. 5-level Assist : 3-level/5-level/9-level optional. Mileage indicator: Odometer/Trip distance/ Clock/ Riding time. Colour:black Material:plastic Package Contents: 1 * bike LCD Display Only the above package content, other products are not included. Note: Light reflection 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.