A06R 5S Protocol 24V 36V 48V LCD C600 Big 4 Inch Big Screen Electric Bicycle Display with Waterproof Connector Model: C600_x000D_ Waterproof Connector_x000D_ Voltage: 24V 36V 48V_x000D_ Agreement: 5S protocol. Work with controller which has the same agreement.Before purchasing, please confirm whether the controller is consistent with the displayed agreement_x000D_ _x000D_ Q&A_x000D_ Q: Why can't it be turned on?_x000D_ Answer: Check whether the connection between the instrument wiring harness and the connector of the controller is firm._x000D_ Q: How to deal with the fault code displayed by the instrument?_x000D_ Answer: First, find out the corresponding problem according to the displayed error code. If you can't solve it by yourself, you should go to the electric vehicle maintenance point for repair in time._x000D_ Colour: Black_x000D_ Material: Plastic_x000D_ _x000D_ Package Contents:_x000D_ 1 x LCD C900 display_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ 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. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_