Features: 1.Fast and Uniform Heat Generation: Ceramic heat emitter bulb is a nichrome wire buried casting product, fast and uniform heat generation, anti oxidation, vibration resistance, safety and hygiene. 2.No Glow: The ceramic heat emitter bulb only generates heat and does not glow, which can well prevent the turtle from biting its tail caused by strong light. It is suitable for turtle to keep warm in winter. 3.Health Protection: Ceramic reptile heating lamp with far infrared heating, can penetrate the animal muscle, improve appetite, play a role in seeing the sun, to guard the health of animals. 4.High Temperature Resistance: Ceramic reptile heating lamp is safe and environmentally friendly, heated to 400 , will not break when dropped into the water, can work in high temperature environment for a long time. 5.Long Life: Ceramic reptile heating lamp service life up to 10000?20000 hours, more than 30 percent energy saving than the same wattage of the light bulb. Specification: Item Type: Ceramic Heat Emitter Bulb Material: Ceramics Weight: Approx. 110g/3.9oz Size: Approx. 4.5x5.5x5.5cm / 1.8x2.2x2.2in PackageList: 1 x CeramicHeatEmitterBulb Note Please allow some error in manual measurement.