ET23-1/2 High-pressure sodium HID (high-intensity discharge) light bulb with mogul screw base. Replacement high-pressure sodium light bulb. Ideal for outdoor security light fixtures. Features high efficacy, long life, and universal operating position. No. S1930: Wattage: 70W, Bulb Finish: Clear, Bulb Shape: ET-23-1/2, Base Type: Mogul Screw, Use: Outdoor Security, Parking Lot, Roadway, Lumens: 6300 Lm., Color Temperature: 2700K, Life in Hours: 24,000 Hrs., Voltage: 120V, Maximum Overall Length (MOL): 7-3/4 In., Energy Star Rated: No, Pkg Qty: 1, Package Type: Sleeve No. S1931: Wattage: 100W, Bulb Finish: Clear, Bulb Shape: ET-23-1/2, Base Type: Mogul Screw, Use: Outdoor Security, Parking Lot, Roadway, Lumens: 24,000 Lm., Color Temperature: 2700K, Life in Hours: 24,000 Hrs., Voltage: 120V, Maximum Overall Length (MOL): 7-3/4 In., Energy Star Rated: No, Pkg Qty: 1, Package Type: Sleeve No. S1932: Wattage: 150W, Bulb Finish: Clear, Bulb Shape: ET-23-1/2, Base Type: Mogul Screw, Use: Outdoor Security, Parking Lot, Roadway, Lumens: 16,000 Lm., Color Temperature: 2700K, Life in Hours: 24,000 Hrs., Voltage: 120V, Maximum Overall Length (MOL): 7-3/4 In., Energy Star Rated: No, Pkg Qty: 1, Package Type: Sleeve Thanks for shopping Hipp Hardware Plus's Online Store for all your DIY and Home Improvement needs. Remember Hipps Help!