There is an optional timer that will automatically turn the lights off in 30 or 60 minutes. The puck lights mount with screws or adhesive tape (both are included). Under Neon Lights Created by Jono Brandel & Zach Richter VR-G 04:34 mins 2017 Enter a world of imagination and color in this interactive music experience for The Chemical Brothers' "Under Neon Lights," featuring St. Vincent. Similar to recessed lighting, they brighten a space without obtruding into it, and provide light just to countertops without overwhelming the rest of the area. Measures 3.37 in. The lights operate on 3AA batteries (not included) and have a run time of over 100 hours. There are under-cabinet LED lights to choose from, as well as fluorescent models. high. wide x 3.37 in. Under-cabinet lights are a convenient lighting option for kitchens, as well as inside RVs. deep x 1.00 in.