‎5.91 x 2.91 x 2.87 inches

Reptile uvb 5.0 bulb,ideal for all tropical amd sub-tropical reptiles, such as chameleon,turtles and other lizards. Perfect TURTLE uvb reptile light lamp: 5% UVB and 30% UVA output.No harmful UVC output. Special glass tube made by machine, stable UVB output and fading rate of UVB is low.