... LED Cryogenic Technical: 1.High efficiency chip 2.Special position of chip in lights 3.High quality material 4.High quality driverSpecificationsInput Voltage: AC85-256V ... widly used in home lighting all kinds of indoor lighting.High-class stores, super market, offices, hotel, meeting room, ... for our led ceiling light to our customers. Any quality problem, we will replace for free within 3 years. ...