20W COB Surface Mounted Downlight

Features: 20W COB Surface Mounted Downlight 1) LEDs Chip: Original CREE,Website:http://www.cobleddownlight.com, CITIZEN COB LED,  2) Driver: Lifud Driver, 3) Housing: 6063 Aluminum Housing, with Plastic Reflector, 4) Dimmable Options: Triac/ 0-10V/ DALI,  5) AC200-240V or AC100-277V Voltage,  6) 110-120 LM/W LED, 80 LM/W Whole Lamp, 7) Exact CCT , 2700K, 3000K, 4000K, 5000K, 8) High CRI>80 & CRI>90, 9) 5 years warranty,  10) UL/TUV/SAA/CB/CE Certificate, 11) Hanging or Ceiling Installation, 12) IP44 Class Specification Model LED Lumen Power Voltage      （V） Beam Angle Size      （mm) QD-CF1804-20 COB CREE    CXA1816 1600 lm 20 W 220-240V      100-277V 15/23/38° Ø140*H165 QD-CF1804-30 COB CREE    CXA1820 2400 lm 30 W 220-240V      100-277V 15/23/38° Ø140*H165 QD-CF1806-30 COB CREE    CXA1820 2400 lm 30 W 220-240V      100-277V 15/24/38° Ø165*H180 QD-CF1806-40 COB CREE    CXA1830 3200 lm 40 W 220-240V      100-277V 15/24/38° Ø165*H180 QD-CF1808-40 COB CREE    CXA1830 3200 lm 40 W 220-240V      100-277V 23/60° Ø190*235 QD-CF1808-50 COB CREE    CXA1830 4000 lm 50 W 220-240V      100-277V 23/60° Ø190*235 Application installation  FAQ1. What kind IP  Rating for 20W COB Surface Mounted downlight?  Generally is IP44  rating, 2. Which COB Surface  Mounted Downlight should I choose if I am replacing 50w halogens downlight?In replacing 50W  halogens, the best option is the 8W or 9W LED Downlight replace 50W halogens. 3 Which COB  Downlight should I choose if I need a light which is brighter than a 50W  halogen?Then 12W, 13W, and  15W or even 30W, 40W, 50W, 60W  COB  Downlights are ultra-bright and can be used in high ceilings or areas such as  office and other task areas such as above work or kitchen benches.