... Features Great Lighting source, the chip of led is of high quality and bigger size, 14*17chip, which is from ... Commercial Complexes, Tower, Hotel, Restauran 5. Factories, Plants, Warehouses, Offices, Production Line 6. Super-market, Department store7. Subway station, bus and train ... up to 10 years, comes with 1 years guarantee time.High safety performance. the output voltage is DC12V/24V instead DC60V ...