BSOD LED Panel Light 3W 4W 6W 9W 12W 15W 18W 24W Flat Lamp Round Ultra-Thin Recessed Ceiling Light Downlight Fixture Kit (Natura

Technical Specifications: Material: Acrylic + aluminum Chip: SMD 2835 LED Number : 3W 15pcs/4W 20pcs/ 6W 30pcs/9W 45pcs/12W 60pcs/15W 75pcs/18W 90pcs/24W 120pcs Lumen: 3W 240~270LM/ 4W 320~360LM/ 6W 480~540LM/9W 720~810LM/12W 960~1080LM/15W 1200~1350LM/18W 1440~1620LM/24W 1920~2160LM Color Temperature: Cool white(6000-6500K), Warm white(2800-3200K),Natural White 4000-4500K Voltage: AC 85~265V universal Lifespan: >20,000 hours Dimmable: NO (If you want dimmable ,need to change the Dimmable Driver, Search B071XYFJKB B071CJ6M4Q B06Y4BWFHPB06Y4X7TXCB06Y5SS3NV) Working temp: -10~+50 Application Areas: Living room, bedroom, kitchen, washroom. Conference, meeting room, show room, showcase. School, university, hospital, hotel. Supermarket, department store, etc. How to choose the lights color? 3000K: Used in family, hotels, coffee shops and other warm and sweet environment required. 4000K: Used in home where need a soft white lighting atmosphere. 6000K: Used in office, working area, shopping mall and other commercial area or some place where need super bright. How many lights do i need for? For example: 107sq.ft area, 8ft install height: Home (require 90-150lux): 6W: 5PCS; 9W: 4PCS; 12W: 3PCS; 15W: 2PCS; 18W: 1~2PCS. Office or Commercial: (require 180-240lux) : 6W: 9PCS; 9W: 6PCS; 12W: 5PCS; 15W: 4PCS; 18W: 3PCS.