Description: High temperature resistant ceramic lamp head, 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, 13W/15W UVB( will expose 2cm), infrared heater, etc. A great partner to your reptile light. 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 fish tank. Specification: Material: Aluminum + Ceramic Power Plug: US Plug Voltage: 110V Fit for E27 connection head lamp Maximum load power: 300W Lamp Holder Head Diameter: Approx. 14.5cm/5.71inch Inner Depth: Approx. 11cm/4.33inch Height: Approx. 17cm/6.69inch 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 tone of the pictures and the actual item.