The VersaLamp 481-UV-BLB LED lamp is a T12, 48” length lamp with two rows of ultraviolet 405 nanometer wave length LEDs for deep ultraviolet lighting effects. The long-life LED lamp sources are energy efficient, requires zero-maintenance, simple installation and operation. Perfect for new applications with our Versa line of luminaires or most brands of similar luminaires. Great for retrofit applications when used with our retrofit kit sold separately. This is a line voltage lamp for 100-277v 50/60Hz electrical power.