Truly -like naturalistic light for terrariums. Effective UVA and UVB lamps promote calcium deposition and metabolism, strengthen bones, prevent , release 5000k warm light, avoid glare and strong light stimulation.Better results, diameter and conversion output, increase the -in reflector area by adding an inner reflective coating to efficiently increase the luminous and the heat reflectance inside the lamp, is, to make the environment brighter and the heat output higher.Professional lamp construction creates a true -lamp effect, eliminate dangerous UV "hot-spots" common to other metal halide reptile lamps.Suitable for turtles, lizards, snakes, spiders, , etc. Those who like to sunbathe and need heat and UV.colour:WhiteMaterial:Quartz glasssize:12 x 8cmPackage Contents:2 x heating bulbOnly the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm."