Description: 1. Good performance of the heat dissipation shell to ensure the life of the LED. 2. Use silicone rubber to strengthen the seal to ensure the high standard waterproof performance of our LED lights. 3. All lamps are subjected to a 24-hour aging test before leaving the factory, and strict quality control before delivery to ensure the quality of the lamps. Specifications: Power: 50W/100W Input voltage: AC 220-240V / 110-120V Power factor: 0.9 Color temperature: cool white light 6000K-6500K / warm white light 2800K-3200K CRI: 80 LED type: SMD2835 Number of LEDs: 60/108 Pcs Luminous flux: 4000/8000 Lm Size (length x width x height): about 205*155*30mm/8.07*6.10*1.18inch, about 265*205*30 mm/10.43*8.07*1.18inch Weight: about 0.6245kg/about 1.105 kg Housing material: die-cast aluminum Mask material: tempered glass Beam angle: 120° Protection level: IP65 Working temperature: -35℃ to +55℃ LED life: >50000 hours Energy efficiency rating: A Certification: CE and Rohs Packing List: 2*LED lamp 1*Installation Manual