Features: Provides natural infrared heat which simulates the sun, has health care function to animals. High thermal efficiency, the non-light heater lamp will not disturb animals sleep pattern. Durable and energy saving, it can be constantly heated for 10000-20000 hrs. It can be used in a variety of environments, even in a humid environment can work. Suitable for full-day heating amphibians and reptiles to keep warm in winter. Specification: Item Type: Heat Light Bulb Material: Glass Voltage: 220-230V Optional Power: 25W/50W/75W/100W Colour: White Base: E27 Size: Approx. 8 x 5cm / 3.1 x 2inch Weight: Approx. 46g / 1.6oz Package list: 1 x Heat Light Bulb