3 LED Battery-Operated Stick-On Light (Silver, 3-Pack) Battery-operated stick-on tap lights with convenient tap-on/off technology Super-bright LEDs offer energy-efficient lighting and never need replacing Operates for up to 100 hours on 3 AAA batteries (not included) ABS plastic construction; includes adhesive strips for easy installation Each light measures 2-1/2 inches in diameter by 1/2-inch deep