1.Accept all payment,COD,paypal,LC,etc 2.Provided 3years free after service 3.Life-span: 50, 000hrs 4. CE, FCC, PSE, RoHS We are a manufacturer in the Guangdong province. Our service: 1. Your inquiry related to our products or price will be replied in 24 hours. 2. OEM/ODM are welcome! 3. Distributership are offered for your unique design and some of our current models. 21W Dimmable ceiling