PLATINUM 70w / MED ED17 High Pressure Sodium bulb HID Bulbs produce high output for their size making them a compact powerful &amp; efficient light source HID Bulbs are used for general lighting, professional lighting fixtures, growing applications HID bulbs put out around 3-5 times greater output (lumens per watt) than traditional halogen bulbs Platinum ED17 bulb, 70W, Base: E26 Medium Screw, Rated Life (hours): , Color Temp: 2000K, Luminous Flux (LM):