ITEM NAME:2 Pieces White & Yellow Dot LED 12V Car/Boat Rocker OFF/ON SPST Switch 20A Description: Easy set up. 31mm x 19mm hole, 12mm diameter [ cut size for the tighten screw ] is required and the switch will sit in nicely; don't need to cut outs. The switch comes with a keyhole slot to prevent unwanted rotation. fluorescent lamp 's will be lighted up when the switch is turned on. 2 pole design (On/Off) , 3rd poles with LED to be connected to earth. With LED Indicator lamp , ON /OFF [ SPST ]. Specification: Diameter: Approx.12mm Material :Nylon Switch function:on-off Rated voltage:12VDC 20A Contact R: 50m ohm max Insulation R:500VDC 100 ohm/min Operating temperature: -25 to 85 Package Includes: 2 Pieces Switches with LED Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making.Easy set up. 2 pole design (On/Off), 3rd poles with LED to be connected to earth. fluorescent lamp 's will be lighted up when the switch is turned on. 2 Pieces Switches with LED. Switch function:on-off.