This monitor is a new product in 2022, which is only applicable to Bafang Motor. BAFANG UART protocol version compatible: BBS0102, M400/G330, G510 BAFANG CAN protocol version compatible: M500/G520, M600/G521, M510/G522, M620/G510, M800/G530... Because the UART and CAN programs show that the plugs cannot be universal. So please pay attention to whether the selected meter plug can be used for your motor when purchasing. If you are not sure and cannot judge, you can consult the customer service staff, and he will give you a professional answer. The display is a multifunction display 1. It has multi-national voice English German French ... 2. The waterproof performance has reached the IP67 waterproof standard 3. It has bluetooth function and map navigation, you can clearly know the road conditions on the display screen without watching the mobile phone for long-distance riding. 4. It has the function of mobile phone information and call reminder display. When Bluetooth is connected to the display screen, it will display text messages, phone calls and various information on the display screen. 5. APP supports iPhone and Android systems. Note: A: OMD Lithium Battery Agreement No. 2 B: BAFANG CAN protocol version C: BAFANG UART protocol version