Features: 1.Perfect 24 hour heat source for all reptiles. 2.The flat-faced design is more efficient and longer lasting than conical designs which build up excess heat internally ultimately carbonizing the element. 3.Light is more effective with the use of UVB Lamp. 4.These heating devices screw into a standard porcelain incandescent socket, giving off intense light. 5.Ideal for basking reptiles, more concentrating reflectors, halogen prominent hotspots. Specification: Features:_x000D_ _x000D_ Perfect 24 hour heat source for all reptiles. _x000D_ The flat-faced design is more efficient and longer lasting than conical designs which build up excess heat internally ultimately carbonizing the element. _x000D_ Light is more effective with the use of UVB Lamp. _x000D_ These heating devices screw into a standard porcelain incandescent socket, giving off intense light. _x000D_ Ideal for basking reptiles, more concentrating reflectors, halogen prominent hotspots. _x000D_ _x000D_ Specification:_x000D_ Material: Glass_x000D_ Color: Silver_x000D_ Base: E27_x000D_ Watt: 25 / 50 / 75 / 100W_x000D_ Voltage: 220V_x000D_ Size (Dia.) x (L): 6.3*7.5cm / 2.5*3.0inch(Approx.)_x000D_ _x000D_ Package list:_x000D_ _x000D_ 1*Reptile halogen bulb _x000D_ _x000D_ Notice:_x000D_ _x000D_ Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. _x000D_ Please understand that colors may exist chromatic aberration as the different placement of pictures.