175217 Brand new with high quality. When the switch is on， C1 will get connected with NC1; when it is off， C1 will get connected with NO1. The item has two lamp bases ( +/- ) and three contacts ( C1/NC1/NO1 and C1 being common contact ). Color: Silver LED light color: White Dimension: about 37.8 x 21.5 x 21.5 mm Diameter of screw thread: 10 mm Operating voltage: 12V Waterproof rate: IP65 1 x Latching button switch 1 x Waterproof ring