Pack Of 2 LU70/MED 70-Watt ED17 High Pressure Sodium Bulb, Medium Base, Clear 70 Watt HID High Pressure Sodium light bulbs offer premium light quality and energy efficiency Ideal for use in parking lots, commercial buildings, shopping malls and building flood lights. Perfect for general lighting indoors and outdoor security lighting Shines up to 20,000 hours with an output of 6,300 lumens Universal burn, making this a perfect light bulb for any style application