working principle:
corridor lights are installed on the lighting lamps of each floor, and the lighting lamps of each floor are connected by batteries. the load adopts ledlamps, and cooperate with the sound and light control switch.
advantages:
1. energy saving: select led light source;
2. environmental protection: no noise, no radiation;
3. safety: low voltage dc power supply, no electric shock, fire and other accidents;
4. convenient: simple installation, easy to use;
5. long service life: led light source can reach more than 10000 hours;
6. high grade: scientific and technological products, green energy, users attach importance to science and technology, improve green image and grade;
7. economy: one investment, long-term use;
8. wide application: led light source is selected, so it can be used wherever there are corridors.