... CLifespan>40000hoursHousing MaterialAluminum Alloy + 4mm LGP + PMMANet Weight5kgAdvantages-light panel:Wide indoor applications: commercial lighting, office lighting, ... etc.1.Superb even light distribution,with no dark zone or white spot2.Slim and practical,with 12. ... ,with T7075 aluminum frames6. Using high luminous efficient light guide plate ,which improves the brightness. Installation: Commercial ...