High temperature resistant ceramic lamp head, reflector dome provides focused heat and light. fits E27 socket light bulbs and suitable for installing bulbs of less than 300W. Suitable for various reptile lamps, such as heating light bulb, halogen bulb, ceramic heaters, night light, UVA Bulb, Halogen lamp, infrared heater, etc. With on/off switch on the power cord, more convenient and practical for use. Strong reflection, concentrated heat, thickness: 1.0 aluminum plate. Inner high-reflection let UVB does not leak light and side light, better reflect UVB, let the pet absorb UV light better Can be used to keep warm for reptile terrarium (tortoises, lizards, etc) and also can be used to sun and supplement the calcium for water turtle, etc in tank. Specification: Material: Aluminum + Ceramic Power Plug: US Plug Voltage: 110-120V Fit for E27 connection head lamp Maximum load power: 300W Lamp Holder Head Diameter: Approx. 13.7cm/5.39inch Height: Approx. 17cm/6.69inch Lampshade Height: Approx. 12cm/4.72inch Wire Length:Approx. 140cm/55.12inch Package Includes: 1 Piece Lamp Holder Note: Since the size above is measured by hand, the size of the actual item could be slightly different from the size above. Due to the lighting effects, monitor settings, etc. There could be some slight difference in the color of the pictures and the actual item.