The mounting hole of metal indicator light is 30mm. curved, flat, concave lampshade, beautiful appearance, ultra-thin panel design, five colors of red, yellow, green, blue, and white, using AC and DC universal LED lamp beads, there is no distinction between positive and negative terminals.CE EU safety certification, FC US Federal Communications Commission certification, in line with ROHS environmental protection standards. Shell: brass alloy, bright nickel plating on the surface, corrosion resistance, vibration resistance, and impact resistance.
The metal shell prevents switch failure caused by various impacts during use. The light-emitting surface can be customized with various patterns to make the signal indication clear and correct.