Used to detect the brightness intensity inside the tunnel, light intensity detectors are generally set in pairs, one outside the tunnel and one inside the tunnel. One outside the tunnel entrance, detecting the brightness outside the tunnel; One lamp inside the tunnel is used to detect the illumination inside the tunnel.
address:BuildingA,Science&Technology Park,Zhangjiagang Free Trade Zone,Suzhou City,Jiangsu Province
phone:+441315070216
mailbox:9128889@qq.com