Specifications:- Overall Dimension of Each Light (Dia. x H):7 3/8" x 13/16" (188 x 20 mm)- Suggested Installation Height: 10 to 20ft (3 to 6m) - Illumination Area: 64 to 107sq.ft (6 to 10sqm)- Open Hole Size: 6 7/8" (175 mm)- Material: Die Casting Aluminum, Acrylic- Voltage: AC85 to 265V- Power: 15W- Color Temperature: 3000 to 3500K (Warm White)- Luminous Flux: 1200 lm- Beam Angle: 180 degrees- Cri: >80- Led Chip: SMD2835- Working Temperature: -22 to 158 degrees Fahrenheit (-30 to 70 degrees Celsius)- Total Net Weight: 3.17 Lbs (1.44 kg). Package Contents:- 4x Led Ceiling Lights- 4x Led Drivers- 4x Manuals