Product specifications: Light source 3X1W power LED Optics White diffused glass lens Bulb type 55 mm pear shape (PS) Beam angle 100° (Flood) Rendering index (Ra) >80 (warm white) >75 (natural white) >70 (cool white) Weight 52 ± 2 g Heatsink Machined pure aluminum with anodize finish Base type E26 / E27 / B22 / B15 / E17 / E14 / E11 Dimmability Not Dimmable Environmental specifications: Temperature range Ambient: -20°C to 40°C; Surface of Lamp: 60°C to 70°C Humidity range 0 to 95% non-condensing humidity Electrical specifications: Voltage requirement 110 or 220V AC Power consumption d 4.5W Power factor e 0.6