This display is suitable for motors. CAN protocol is the triangular head 5 pin plug applicable to M400 M500 M600 M420 G332 G330 G520 G521 G510 G530 M800 and many other eight party CAN protocol motor because the UART and CAN programs show that the plugs cannot be universal. Display is only suitable for Motors manufactured after 2020 Made 2020 Motors and other cannot be connected with of motor because the circuit is different connecting other of motor will damage the chip. This Display is only suitable for motors after 2020 and motors produced 2019 cannot be used. Colour:black Material:ABS type:CAN protocol Package Contents: 1 x Display Only the above package content other products are not included. Note: Light reflection 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.