Zoo Med Reptisun Nano UVB Bulb 5 wattThe Zoo Med Reptisun Nano UVB Bulb is a compact terrarium bulb that provides essential UVB, UVA & daylight. The bulb is well suited for a wide variety of snakes, lizards and other reptilian species as well as being compatible with the Zoo Med Nano Dome Fixture and the Zoo Med Nano Combo Dome Lamp Fixture. Provides 5 watts of power. UVB, UVA and Daylight 12 month UVB output manufacturers guarantee Packaging now includes item specific UVI distance chart