... , UL, FCC 2) Multi Voltage AC120-240V 3) Dimmable:3 phase at 50%, 75%, 100% 4) HPS/MH ballast Suitable for HPS ... /MH bulb of America and Europe standardInput voltage: 100-265Vac (120V/240V)Output frequency: ≥30KHz, ≥20KHz(600W)Input frequency: 50/60HzPower factor ... 65°CMaximum lighting distance: 15mDimmable: 3 phase at 50%, 75%, 100%(optional)Prolong lamp life at least 10%Energy-saving up ...