cob led down lights

Main Parameter： 1.Rated Power：5W/10W/15W/20W 2.Size: 3.5' 4' 5' 6' 3.Bean Angle: 15° 24° 4.Surface color paint: white silver golden 5.CRI: 85 90 95 6.CCT: 3000k 4000k 5000k 7.Photosynthetic efficiency: 100lm/w 8.Working temperature: -20°C to 45°C 9.Build-In cooling fans: body temperature< 50°C 10.CE&Rohs FCC TUV SAA 11.3-5 years guarantee