The Tunnel Outside Brightness Detector is a real-time on-site brightness detection device developed by Jinzhou Sunlight specifically for the special lighting control requirements of long tunnels. The housing is made of high-grade aluminum alloy material, with all protection ratings reaching IP68, ensuring the stability of the equipment in harsh outdoor environments such as open fields.

Tunnel brightness detectors make the entire lighting system more efficient. The system can adjust between natural light and artificial lighting as needed by the user, ensuring both driving safety and energy savings.