High Pressure Sodium HID Bulb Bulb Base Type Mogul Screw (E39) Bulb Dia 2 19/20 in Bulb Housing Glass Bulb Shape ED23-1/2 Color Rendering Index 22 Color Temperature 2100K Lumens 16 000 lm Light Technology High Pressure Sodium Overall Length 7 3/4 in Shatter-Resistant No Voltage 55V Watts 150 W Bulb Beam Angle 360 Degrees Bulb Finish Clear Rated Life 24 000 hr ANSI Code S55 Dimmable No For Enclosed Fixtures Yes Bulb Operating Position Universal Burning Standards ANSI