About This 100 Watt Red Heat Bulb helps you keep an eye on your pet during evening hours without disturbing the nocturnal routine Provides UVA rays that stimulate normal feeding behavior in reptiles. Provides heat for reptiles and amphibians through infrared light. Reptiles are ectothermic and depend on their environmental temperature to regulate their core body temperature. Keeps your Reptiles and Amphibians Healthy and Happy with the appropriate Terrarium Temperature Overview Brand : Fluker's Light Type : Incandescent Special Feature : Energy Efficient Wattage : 100 watts Bulb Shape Size : A15