... electrical ballast Excellent ability of protectingenvironment OEM is acce T8 fluorescent tubes,volt input 240vac, for 10W, 15W, 20W, 25W, ... and fire resistant;3.Could shut off automatically when the tube is time over,or woring in abnormal status,and it ... Broad input voltage 2500V test,working voltage 110V-250V; Fluorescent Lamp Series T8 electronic Ballast with Pre-heat Start Extending Tube Life Span