High die casting aluminum waterproof and dustproof tunnel lights (SYSDD - 003) product description: * high pressure die casting aluminum molding shell, light electrical integration; * designed for a narrow beam, beam in the design of anode alumina reflector, symmetric and asymmetric light distribution points; * high temperature resistant silicon rubber sealing ring, 5 mm thick high temperature resistant tempered glass; * protection grade: greater than or equal to IP65; * adapter light source: metal halide lamp/high pressure sodium lamp 70 w, 70 w, 150 w, 250 w, 400 w. * product size: W280 * L575 * H180 (mm); * suitable for highway tunnels, Bridges, tunnels, subway and other underground tunnel lighting occasion.