... ballast Excellent ability of protectingenvironment OEM is acce T8 fluorescent tubes,volt input 240vac, for 10W, 15W, 20W, 25W, 30W and 40W and ... rising, no noise, long life span,and fire resistant;3.Could shut off automatically ... tube is time over,or woring in abnormal status,and it will restart change the tube ... Fluorescent Lamp Series T8 electronic Ballast with Pre-heat Start Extending Tube Life Span