These button lights look great mounted directly in the walking surface, creating a soft illuminated accent on walkways and deck surfaces. 1-1/8" diameter, energy efficient 0.35W LED lamps, 12V DC system. Included remote control turns lights on/off and dims them on command. 12W 12V DC transformer (also included) can power up to 30 LED lights. Simple to install with included quick-clamp connector system. UL Listed.