GE 45059 - LU200/ECO/NC High Pressure Sodium Light 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 GE ED18 bulb, 200W, Base: E39 Mogul Screw, Rated Life (hours): 30000, Color Temp: 2100K, Luminous Flux (LM):