Material: Body is made of aluminium alloy Highly pure aluminium reflector Surface are painted in the electrostatic way Specially designed rabbet on the top for fixing Lamp-holder: E40 Weight: 11.1KG CE,VDE, UL approved Feature: Resistance to corrosion, dust and damp surroundings Strong light transmittance Wide range of light IP65 Single package Origin: China 590 sets in a 20 feet container Suitable for tunnel pathway, and underground park As for the detailed or more products you take interest, welcome to contact me.