Specifications:- Overall Dimension(LxWxH): 12 3/16" x 4 15/16" x 4 15/16" (31 x 12.5 x 12.5 cm)- Base: E39- Input Voltage: 100 to 277 Ac, 50 to 60 Hz- Power: 120 W- Dimmable: Not Dimmable- Luminous Flux: 15600 to 17400 lm- Led Chip: 896pcs SMD2835- Cri: >80- Color Temperature: 5000 K- Working Temperature: -20°C to 45°C- Material: Aluminum, Pc Cover- Total Net Weight: 10.9 Lbs (4.96 kg). Package Contents:- 4x Led Corn Light Bulbs- 4x Manuals. Notice: - In most cases, just screw in. In others, the ballast may have to be bypassed when changing to Led since LEDs use a driver, not a ballast. Please check.