AMZCOOL UVB and UVA Reptile Heat Lamp Bulb Truly Sun-Like Bright Heat for Reptiles, Amphibian and BirdsTruly sun like bright naturalistic light for terrariums. Effective UVA and UVB lamps promote calcium deposition and metabolism, strengthen bones, prevent MBD, release 5000k warm light, avoid glare and strong light stimulation. Better results, diameter flux and conversion output, increase the built in reflector area by adding an inner reflective coating to efficiently increase the luminous flux and the heat reflectance inside the lamp, that is, to make