1.60*60cm 120*60cm Office LED Lamp 2.4680lm Brightness 3.CE&ROHS certificate 4.50000H Lifespan ... & RF interference,instant soft start,low heat.4. Mounting Method : recessed mounting.5. High shock / vibration resistant6. 50000-80000 hours LifespanApplications ... , school, library, hospital, living room, etc. 120*60cm aluminium reflector grille lamp