... the high efficient heat dissipation Aluminum base, with the natural convection cooling system, make the lamp to be more lightweight.2 ... , and it is rain-proof and moistureproof, suitable for wider range.3.Use well-known manufacturer's LED chip, special waterproof ... 100,000 hours.5.Certificate: CE and FCC.6.Wide range application,suit for airport,hotel,office,hospital,supermarket,household,and ...