This product is a photoelectric smoke detector, andthe circuit adopts photoelectric smoke sensor Monitorand temperature sensor to monitor the fire situation, themain control chip uses professional analog and digitalThe conversion input port intelligently judges the sensor signal; the structure adopts a unique Photoelectricsignal feature processing and professional design,so the product is stable, dustproof, Anti-insect and anti-interference function of external light.The product is suitable for residences, shopping malls, Hotels, restaurants, office buildings, teaching buildings, banks, libraries, computer rooms, etc.Smoke monitoring in indoor environments such aswarehouses and warehouses.