Replacement power plugs (ballast) for Ultraviolet Sterilisation Systems (UV) from 6W to 55W
Basic plug has indicator lights to show whether the lamp is functional. Red light shows an error - lamp has expired or weakened, or power is lost. Green light means system is functioning ok.
Count down plug has a counter display showing days counting down until lamp needs replacing. In addition it also has red error or green system functioning lights.
Both plugs have female connector points for 4 pin lamps evenly spaced.