Tunnel lights (SYSDD - 001) a detailed description of lamps and lanterns:
* lamps shell is made of steel plate forming shell, the surface electrostatic plastic spraying, corrosion resistance, strong and durable; 
* light panel: using 5 mm tempered glass, good impact resistance; 
* structure design: light easy installation, electrical integration design, easy to maintain; 
* sealing ring: new type of high quality, high temperature resistance and aging sealing ring; 
* reflector made of high quality imported mirror aluminum sheet, ensure high luminous flux of output; 
* light source can match: metal halide lamp/high pressure sodium lamp 70 w, 100 w, 150 w, 250 w and 400 w. 
* size: lamps and lanterns W280 * L595 * H155 (mm)
* use scope: tunnel, tunnel, culvert, urban subway and other places of underground engineering.