Pecute&reg; New Black Infrared Ceramic Heat Heating Heater Emitter Lamp Bulb Light for Reptile Snake Lizard Brooder Pet Coop 100w Material: Ceramic + Alloy. Color: Black. Diameter of heating surface: 7.5cm. Height: 9cm (Approx). Wattage: 100W Heating source: Ceramic, infrared, electrical, no light emitted. Usage Suggestions: Heating, chicken coops, brooding, grow light Tolerates high temperatures from reptile heat or light bulbs. Tough ceramic sockets wont break down in heat stress. The black exterior finish is powder coated and fired for added luster and long life. The bulb is made from glass containing rare earth black phosphors, which simulates the moons natural glow for nocturnal viewing without disturbing the reptiles day/night cycle.