HPS lamp. Voltage:120-277V/ 50-60Hz, Watt:70-1000W, Lamp head:E27,E40, G12, Rx7s. color temper: 3200K HPS lamp. Voltage:120-277V/ 50-60Hz, Watt:70-1000W, Lamp head:E27,E40, G12, Rx7s. color temper: 3200K, Luminous flux: 120-130lux/W. Life time: average 18000hours.