36V or 48V or 52V power supply The rated working current of the instrument is 15mA The maximum working current of the instrument is 30mA Shutdown leakage current Supply controller side working current 50mA Working temperature -20-60 Storage temperature -30-70 Function Battery display Assistance gear adjustment and indication Speed display (including real-time speed, maximum speed, average speed) mileage display (including single mileage and total mileage) Helping to implement control and instructions Headlight control and indication Error code display Motor power indication USB connection indication indication Bluetooth connection indication parameter settings (such as: wheel diameter, speed limit, battery power setting and power assist parameter setting, power-on password setting, controller current limiting setting, etc.) Factory default parameter recovery function Colour:black Material:ABS type:Waterproof Plug Package Contents: 1 x Colour Screen Control Panel 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.