Reptile Heat Lamp: UVA/UVB reptile heat lamp can simulate sunlight to provide reptiles with daily UV(UVA/B) intake, stimulates growth. UVA can promote appetite, UVB can promote the absorption of calcium in reptiles. Heat Bulbs + Aquarium Thermometer: Supplied with 2 50W E27 uv bulbs to simulate UVA/UVB in sunlight. The thermometer can measure the temperature of the aquarium, convenient to adjust the temperature environment created by the heat lamp for the aquarium at any time. Adjustable Temperature Switch: This reptile heating lamp has a temperature adjustment switch, which can adjust the temperature to meet the thermal energy needs of reptiles at different times, and promote their growth. Flexible Goose Neck: The 11.5 inch flexible goose neck can 360 rotatable without deformation, flexible swing arm makes it easy to find the perfect lighting angle, lamp clip can securely clipped onto the glass aquarium. Use Range: Reptile heat lamp is suitable for most reptiles, amphibians, tortoises, lizards, snakes, birds, and plants.