Shop for Lighting & Fans at The Home Depot. Sylvania LED 3-Button Silver Round Dragon Light Puck. It can be used as a portable light source or be applied to a surface with the self adhesive backing. The super bright LED provides 30x more light than standard push on lights. It is designed for easy battery replacement. The sleek, low profile design makes it usable in a variety of locations such as; under a kitchen cabinet, in a closet, in a shed or garage, or in a RV.