Set of 4 battery-operated stick-on tap lights with convenient tap-on/off technology. * 5 Super-bright LEDs offer energy-efficient lighting and never need replacing. * Operates for up to 100 hours on 3 AAA batteries (not included). * Black-toned ABS plastic construction; includes adhesive strips for easy installation. * Each light measures 2-1/2 inches in diameter by 1/2-inch deep.