... LED Chip, high light efficiency,low temperature,high CRI2)Constant current isolation power,light spread material, above 80% light transmittance3)high efficient energy ... no stroboscopic, protect eyesight.7)small light decline ,high light efficiency ,above 120lm/WSpecifications:ItemLED high ... Advertising Board, Gym;2. Stadium, Yard, Lawn, Garden, Park, Plaza, Workshop;3. Warehouse, Supermarket, Shopping ...