Check the listing for details. Great Eagle 50/100/150W Replacement 3-Way A21, 2700K/3000K/4000K (2 pk). Condition: Open box. Listed at 17.95 USD. Compact standard A21 LED bulb replaces 50/100/150W equivalent 3-way incandescent/halogen bulb (2-pack), Open Box Uses 6/12/19 watts Available in the following colors/temperature: Color (Temperature) Brightness 1. Warm White (2700K) 650/1300/2150 Lumens2. Bright White (3000K) 650/1300/2150 Lumens3. Cool White (4000K) 650/1300/2150 Lumens Lasts 23 years based on 3 hrs/day usage Key Characteristics:Wattage: 6/12/19 Watt replaces 50/100/150WPerfect for 3-way lamp use – Each click will cycle through 650/1300/2150 lumens on a 3-way desk lamp or floor lamp.Estimated Yearly Energy Cost: $0.72/$1.45/$2.29 (based on 3 hrs/day at $0.11/kWh)Over 25,000 hour life (23 years based on 3 hrs/day usage)Instant On: no warm upDimensions: 5.47 x 2.81 inches – Perfect A19/A21 light bulb replacement. Standard medium base (E26) Handling Time:1-2 business days to ship once payment is received.3-7 business days for delivery. Most items delivered within 2-4 business days.