Wireless Smoke Detector Fire Alarm 10 Year Battery GSM RF433MHz Smart Home Compatible

Smoke detector using advanced precision photoelectric and other advanced electronic technology. It will alarm when the smoke concentration and surround temperature reaches the alarm set point, to avoid the fire, explosion, poisoning and other vicious accidents effectively. Smoke detector features in high sensitivity, low rate of false alarm, low power consumption, fashion design, durability and is easy to operate. It has self-test function and can simulate alarm test. This product is suitable for homes, shops, dance halls, warehouses and other places