American Lighting ALSLBOX-BK-B Xenon 120 Volt Puck Slim-Line Hardwire Box, Two Molex Outlets, On/Off Switch, Black Kits include 20-watt lamps, linking extensions and power cord with in-line on/off switch New cool flow ventilation design provides a full 1/8-inch of air flow between puck light and cabinet surface These puck lights can be either surface mounted or recess mounted Frosted, glare free lens diffuses light over the work area and cover twists off for easy lamp replacement These puck lights can be either surface mounted or recess mounted