High-pressure sodium HID (high intensity discharge) light bulb. Ideal for industrial applications, security lighting, roadway lighting, parking lots, and warehouses. Not to be used in standard incandescent light bulb sockets. No. 460840: Wattage: 50W, Bulb Finish: Clear, Bulb Shape: BD17, Base Type: Medium, Use: Warehouses, Post Lights, Parking Lots, Lumens: 4000 Lm., Color Temperature: 2100K, Life in Hours: 24,000 Hrs., Voltage: 52V, Maximum Overall Length (MOL): 7 In., Energy Star Rated: No, Pkg Qty: 1, Package Type: Box No. 460816: Wattage: 70W, Bulb Finish: Clear, Bulb Shape: BD17, Base Type: Medium, Use: Warehouses, Post Lights, Parking Lots, Lumens: 6700 Lm., Color Temperature: 2100K, Life in Hours: 24,000 Hrs., Voltage: 52V, Maximum Overall Length (MOL): 7 In., Energy Star Rated: No, Pkg Qty: 1, Package Type: Box No. 460824: Wattage: 100W, Bulb Finish: Clear, Bulb Shape: BD17, Base Type: Medium, Use: Warehouses, Post Lights, Parking Lots, Lumens: 9500 Lm., Color Temperature: 2100K, Life in Hours: 24,000 Hrs., Voltage: 52V, Maximum Overall Length (MOL): 7 In., Energy Star Rated: No, Pkg Qty: 1, Package Type: Box No. 460832: Wattage: 150W, Bulb Finish: Clear, Bulb Shape: BD17, Base Type: Medium, Use: Warehouses, Post Lights, Parking Lots, Lumens: 16,000 Lm., Color Temperature: 2100K, Life in Hours: 24,000 Hrs., Voltage: 52V, Maximum Overall Length (MOL): 7 In., Energy Star Rated: No, Pkg Qty: 1, Package Type: Box