... Temperature: -25°C-50°C-------------SpecificationsT5 electronic ballastVoltage: 110V/220VPower type: 8w, 14w, 21w, 28w, 35w, 54w, 2*8W ... 54w---------------Features & Benefits Of T5 lighting Electronic Ballast :1. Metal shell, with insulation protection layer,safe using, good looking.2. ... 30000HC. Super Saver PF: >0.98, THD<20%D. Easy installing.-----------------Trade Terms FOB Qingdao Payment: L/C ...