GE 21739-3 26 Watt (100 Watt equivalent) Energy Smart Outdoor Floodlight PAR38 Light Bulb 3-Pack A smart way to save energy Application: Outdoor fixtures, including motion sensing fixtures and yard stakes Base: medium screw (E26); Bulb type:PAR38; Watts: 26 Initial Lumens: 1200 Guaranteed to last 4 years based on 4 hours use per day at 120V.