Material - Heating lamps are made with sturdy materials and are designed to withstand the heat and humidity levels in any habitat. 【CAUTION HOT SURFACE: ① Place the lamp in well ventilated area, ② Don’t touch the lamp and when it’s lighted up, ③ Avoid working continuously for over 8 hours.】 | Source of Heat - Terrarium heat lamps provide a vital source of heat for reptiles, amphibians, and other small animals that require a warm environment to thrive. | Comfort - Allows you to adjust the angle of the lamp depending on the size of your reptile. This is important so that you can get the most accurate heat distribution possible. | Easy to Use - These lamps are designed to mimic the natural heat of the sun and can be used in a variety of enclosures, including terrariums, aquariums, and cages. Ceramic E27 socket, compatible with fluorescent, incandescent, ceramic heater, UV bulb, halogen, LED, etc. Note: The wattage of bulbs should be less than 75W. | Package - Includes 1 * Heat Lamp, 1 * 50W E27 socket Bulb. Cord length approx 4.59 FT. Clip opening up to 1.97 inch. The heat bulbs are expendable and their lifespan are approx 3,000 hours, because they will produce high temperature heat during use. For better use, we recommend to use change bulb every 2 or 3 months.