... 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 ... 80,000 hours.5).Certificate: CE ,EMC & SAA.6).Wide range application,suit for airport,hotel,office,hospital,supermarket,household,and ...