... -Voltage AC100-265V Dimming 4 phases at: 50%, 75%,100%,110% Suitable for HPS/MH bulb of America and Europe standardComprehensive ... °C7) Maximum lighting distance: 15m8) Dimmable: 4 phase manual dimming, 110%, 100%, 75%, 50%(optional)9) Prolong lamp life at least ...