... lamp life up to 50,000 hours to 80,000 hours.l Using high-brightness LED beads, to achieve real high brightness, low powerl ... to meet the global over use, so that in this voltage range no lights flicker; no noise; Average power factor ... stores, hotel, bar, cafe, jewelers;Indoor lighting, villa, high-quality hotel, meeting room3.TECHNICAL SPECIFICATIONSThree size optional, two color optional ...