The Hi-Tech Lamps part number EMH575W/DE75 is a 575 watt (575W) EMH?? metal halide lamp made by Osram. It is intended to operate at a current of up to 7 amps (7A). This lamp has a maximum overall length of 135mm with two SFc10-4 bases. The average rated lifetime of this lamp is 750 hours, with an initial light output of 42000 lumens at a color temperature of 7500K. This lamp is also known as Osram EMH 575W/DE/75 and 57029.