ITEM NAME:12V Red LED Metal Switch Push Button Latching Momentary 16mm S3L4 12V Red LED Metal Switch Push Button Latching Momentary 16mm S3L4 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: Red Dimension: about 37.8 x 21.5 x 21.5 mm Diameter of screw thread: 16 mm Operating voltage: 12V Waterproof rate: IP65 Package contont: 1 x Latching button switch 1 x Waterproof ring Note:Light shooting 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..Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. LED light color: Red. When the switch is on, C1 will get connected with NC1; when it is off, C1 will get connected with NO1.