About this product range:~ Use to create a basking area of high, localised heat. A reptile basking light will provide an intense beam of light & heat which tha animal can quickly warm itself. The lamp is designed to concentrate the heat in a small local area & is not designed to heat the whole vivarium. The lamp wattage should be chosen to match the appropriately rated holder, the size of cage, type of animal being heated & the temperature required.