... Features Great Lighting source, the chip of led is of high quality and bigger size, 14*17chip, which is from Taiwan ... to 8000K. Applications: 1.use in family( living room, bedroom, kitchen, washroom )2. School, University, Hospital, Hotel, business center,shopping mall3 ... up to 10 years, comes with 1 years guarantee time.High safety performance. the output voltage is DC12V/24V instead DC60V ...