[Offer Stable UVB Output]Provide enough UVB light for reptile habitat, increase natural behaviors of reptile as require exposure to UVB to produce vitamin D3, which is essential in order for them to use the calcium from their diet. Recommended in combination with a reptile heat lamp for higher heat output [Useful for Desert-Dwelling ]Ultra high UVB output similar to that associated with desert environment, perfect for all desert-dwelling such as bearded dragon tortoise.NOT for leopard geckos. Help prevent or reverse metabolic bone disease and keep them healthy [Advanced UVB Led Tech]Our 10.0 led UVB output decays at a slower rate than compact fluorescent lamp with use,reduce frequency of replacement Colour:As Shown Material:plastic Package Contents: 1 x Calcium supplement lamp Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.