Feature: 1. The more energy‑efficient design of UVB bulbs provides excellent height and saves a lot of power. 2. Safe and healthy UVB output, wavelength 299‑320nm, belongs to the medium wave, will not cause harm to the human body. 3. Calcium supplement energy‑saving lamp, UVB output value measurement, simulation of the ultraviolet light in the sun lamps, to provide the basic environment for the normal growth of reptiles. 4. Improved circuit design, durable intelligent chip can ensure stable input current. Better protection of circuit board, long protection of chip life. 5. It can help the mineral metabolism and the formation of vitamin D in the body, help the absorption of calcium and the transformation of vitamin D3, increase appetite and digestion, and help the reptiles to form good and healthy bones. 6. Reptile bulbs provide the necessary UVB rays for optimal calcium metabolism, and UVB wavelengths can prevent and effectively ameliorate problems caused by calcium deficiency. Specification: Item Type: Reptile Calcium Supplement Energy Saving Lamp Material: Glass Lamp Holder: E27 Weight: Approx.120g/4.2oz Uses: Reptile Lighting, Calcium Supplement Voltage: 220V. Package List: 1 x Reptile Calcium Supplement Energy Saving Lamp