Automatically switches on with a simple twist of the cap, allowing the light to pop-up, ready to use. Push the cap down, twist to lock, and light disappears into the table or deck. Can be used with LED Touch Dimmer Switch (403061-1). Investment 316 cast stainless steel cap and bezel. 500 lumens. IP67 waterproof rating. #10 FH fasteners included. B 2-5/8" C 9-7/8" D 5-1/2" E 3-15/16" Volts 12-24