Used for cinema or theater chairs. It lights when the movie starts and all other lights are shut off. But it lights very little and only readable for people who is late for the movie. The input for this part is 24V DC and with standard PID1 Interface. It is also designed with quick disconnect for easy assembly and mantain. The circuit is designed to protect itself against electric surge. The cable length is 1450mm. The number plate can be any number and can be shipped separately. Customized number style and color are availabe.