ECOSUB 10.0 T5 High Out lamp for safe and effective UVB light.Removable power cable with convenient on/off switch.The hood features a highly polished curved reflector for maximum efficiency and UVB penetration. Highly polished, curved reflector for increased lamp efficiency, stronger UVB, and brighter light.This is the ideal light fixture for large terrariums, planted terrariums, and any species that benefits from UVB light.