... :Warehouse,factory,workshop,storage lighting 120w led high bay light Feature:*1PC High power integration led with constant current*Constant current ... 100Lm/W*Lifespan: >30.000-5.000H Structure:Adopt High-purity Aluminum reflector, heat sink and hanging hook, ... , factory, building, storeroom, toll gate etc. Power supply:High efficiency imported Led driver, constant current, excellent heat dissipation. ...