The intensity and wavelength of this kind lamps can be changed according to the requirements of our customers.Weve got the patent for that in China.And we can carry out OEM fabrication on that. These Power Compacts feature High UVB output to help prevent or reverse Metabolic Bone Disease in captive reptiles and UVA to increase appetite and stimulate mating in captive reptiles. Bulbs are manufactured from a Special UV transmitting glass. Ideal for desert and other high UVB requirement reptiles and are Self Ballasted (no ballast needed) screws into normal threaded socket. 5.0 UVB Tropical lamp has 5% UVB output. Ideal for all tropical basking reptiles. 10.0 UVB Desert lamp has 10% UVB output. Ideal for desert and other high UVB requirement reptiles