This 70 watt Metal Halide bulb has a medium base and a rated life of 12,000-Hours. The bulb can burn in any position, requires a separate ballast, and has an overall length of 5.43".
Brightness 5500 Lumens
Estimated Yearly Energy Cost: $8.43 based upon 3 hrs/day. 11c/kWh. Cost depends on rates and use.