Reptile Health - The 13-Watt Desert UVB 10.0 CFL UVA UVB Reptile Light Bulb provides necessary UVB rays to support vitamin D3 production and calcium absorption for reptiles that do not receive sun exposure. High Performance - Easy to install with an E26 base. - Delivers stable UVB and UVA output with no UVC. - Position the lamp at least 15 cm away from your reptile. Regulates Behaviors - The 13-Watt Desert CFL 10.0 UVB Light Bulbs emit UVA light to help regulate natural behaviors, including feeding, daily activity, movement, and mating. Desert Lamp - Ideal for screened terrariums and desert-dwelling reptiles. - Suitable for bearded dragons, tortoises, and other lizards. - Use to increase natural behaviors and help prevent illnesses. Use scenarios - Bearded dragon enclosure: mount the bulb to provide daytime UVB/UVA while keeping it at least 15 cm from the basking area. - Desert tortoise vivarium: install to support calcium metabolism and active daytime behavior. - General desert-dwelling lizard setup: use in screened terrariums to maintain natural activity and health.