... with high Luminous efficiency, more than 100LM/W.lower heat generation, long life span as long as 5000hours for ... °CDimension668mm*150mm*95mm InstallationCeiling mounted or chain installation. Application:Widely used in supermarkets, warehouse, underground car parks, tunnel ,corridor, schools, ... *150mm*95mm LED Emergency Microwave sensor light widely used in supermarkets, warehouse, garage, corridor