Reptile Systems Compact Lamp Unit E27Reptile Systems Compact Lamp Unit E27 Fitting The Reptile Systems Compact Lamp Unit is a versatile lighting solution designed for use with E27 screw in globes. Whether you're housing reptiles or birds, this durable unit provides reliable lighting performance with a focus on safety, flexibility, and ease of use. Built with a universal ceramic E27 fitting, the unit is compatible with a wide range of compact lamps, including UVB, infrared, and daylight