Truly -like naturalistic light for terrariums. Effective UVA and UVB calcium deposition and metabolism, strengthen bones, prevent , release 5000k warm light, avoid and strong light stimulation.Better results, diameter and conversion output, increase the built-in reflector area by adding an inner reflective coating to efficiently increase the luminous and the heat reflectance inside the lamp, that is, to make the environment brighter and the same power heat output higher.Professional lamp construction creates a true -lamp effect, eliminate dangerous UV "hot-spots" common to other metal halide reptile .Suitable for most , 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 are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.