... humidity10%-90%Beam angle120°Lifespan50,000hoursInstallation waysBuil-in/mounted/suspended installationRGB led pannel lumen attenuation: Operating time ... , Supermarket, Factory, Shopping Mall, Subways, Washroom, Home, Hotel, School, Hospital, Airport,Restaurant, Cafe, Bar and so on.1.Commercial lighting ... as in meeting room, VIP reception room, and hotel etc.2. The frame is made of 6063 aluminum ...