The heating light helps absorb the calcium to prevent or reverse metabolic bone diseases.It promotes health and healing as it dilates blood vessels and increases blood flow. Temperature adjustable: With the heating light holder with switch to adjust the light temperature, you can change the temperature according to your wishes. Anti-Hot Holder：With an anti-hot cage, it would effectively prevent pets from scalding.And can prevent pets from biting electrical wires to get electric shock. Hook design: There is a hook at the bottom for you to hang on the bulb in the desired location, which is convenient to use. Widely used: The heating bulb is particularly suitable for lizards, spiders, turtles, chicken and quail brood, hedgehogs, hamsters, etc., which maintain constant heat throughout the winter.