Coralife (Energy Savers) SCL00726 Slimline Reptile Fluorescent Lighting Fixture with 3-Percent UVB Lamp, 18-Inch Slimline lighting fixtures are compact, ultra-economical fluorescent strip lights in a modular plastic housing The reptile version features a 15 watt super 3 percent UVB reptile lamp It has on/off switch and includes bulb It can be bolted up under a counter or on a wall or cap This slim profile 18-1/4-inch by 4-inch by 1-3/4-inch fixture mounts easily on top of a tank