Can be automatically identified and compatible 24V/36V/48V/60V/72V Voltage.It will show the true reflection of the battery charge, real time recording of the power consumption to riding mileage.The individual joints are clearly set up to help with cost-effective installation.When connected to a bicycle, this product will display a lot of useful data on your bike, such as riding speed, time, power and temperature.The color display on the meter makes it easier for you to see the data on the panel.Colour: Blackmaterial: plasticStyle: B Package Contents:1 x SW900 LCD DisplayOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.