Model: C600 Waterproof Connector Voltage: 24V 36V 48V Agreement: 5S protocol. Works with controller that has the same protocol. Before purchasing, please confirm whether the controller is compatible with the displayed protocol. Q&A Q: Why can't it be turned on? A: Check whether the connection between the instrument wiring harness and the controller connector is secure. Q: How to deal with the fault code displayed by the instrument? A: First, identify the corresponding issue according to the displayed error code. If you are unable to resolve it, please visit an electric vehicle service center for assistance. Color: Black Material: Plastic Package Contents: 1 x LCD C900 display Note: Other products are not included. Note: Light and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement error allowance is +/- 1-3 cm.