LSD Black Infrared Ceramic Natural Heat Emitter Appliances Lamp Bulb for Reptile Light Pet Brooder Coop Grow-Christmas Gift Material: Ceramic + Alloy Diameter of heating surface: 8cm One kind of infrared sources,has one kind of similar natural sunlight heat radiation Heat can expand the blood vessel, promote blood circulation, enhance health and accelerate to be restored to health. Solid ceramic element,suitable for wet environment