Can be automatically identified and compatible 24V 36V 48V Voltage.It will show the true reflection of the battery charge, real time recording of the power consumption to ensure 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 display on the meter makes it easier for you to see the data on the panel.Colour:blackMaterial:plastic Suitable for protocol controller No. 2 Package Contents:1 x Electric Bicycle Display Only the above package content, other products are not included.Note: Light shooting 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.