Model: DQ04-001 220V/DQ04-008- Different batches, different angles and lighting, there are slight differences between the actual product and the picture, which not affect normal use Note:Please check your old power board before ordering. Some customers doubt that the output voltage of the power supply board is low, that is because of the misunderstanding of the working principle of the circuit board. Because there is no full workload, the circuit board is in a half-powered state, at this time the traffic light is relatively dark (if you want to test the circuit board alone, just plug in the power supply, and then short the red and black wires at the three-pin interface and the red and black wires in the three-color, you can achieve the normal operation of the circuit board. (At this time, the traffic light on the board is at its brightest state). Color: As Shown Material: PCB Package Contents: 1 x Main Board Power Supply 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.