How Nice LED Panel Light 18w 2835smd Cold White Round 8'' 225mm Cut Out 200mm AC 85-265V Slim Downlight with Driver High Lumens CCT(K):cold white(6000K) Beam Angle:180 degree Input Voltage(V): AC 85-265V Dielectric Voltage Withstand Test:3750Vac/1min Operating Temperature:40 ~ 60 Centigrade