Specifications︰ Ballast for Ultraviolet lamps
Ballast for GPH843T5L/4，
Ballast for S36RL made in China
Ballast for GPH846T5L/4
Ballast for GPH620T5L/4
Ballast from 4w-80w for gericidal lamps
This ballast have LED light，which can see if the light is on or off