... sizeDIA 160* H 53 Housing material Aluminium Operating temperature -5---45 °C Operating humidity Less than 85 LifeCertification 50000hours CCC ... the bathroom,out side corridor,shope,hotel,stair ect.2.Large emitting angle, soft light, no shining.3.Use high ... management, thermal performance is good, low temperature.5.Safe designation,high power factor.6.Easy for installation,Power Built,Direct access to ...