... no humming; Safe and reliable 6. Four sides illuminating, better heat sink, temperature rise <20deg., longer lifespan, >50, 000 hours ... : CE, RoHS Advantages of led panel light:1. Ultra energy efficient: 1W LED =2W Fluoerecent= 10W Incandescent;2. Long lifetime: ... . Solid-state light source, fast turn on;7. Good heat dissipation with professional designed aluminum alloy shell;8. Easia) Parameter Part ...