NANSHI Smoke Detector Sound Light Fire Alarm 9-12V Daily Use Fire Alarm  (Wall Mounted)

1 Efficient Sensing: The smoke alarm has efficient smoke sensing ability, can detect and ring the alarm in the first time to protect the safety of the family. 2 Reliable Protection: The home smoke detector has reliable performance, once the smoke is detected, it immediately issues a strong audible and visual warning, so that you can take safety measures in time. 3 Durable Material: The smoke detector is made of durable and reliable material, high strength and wear resistant, not easy to break, having a long service time. 4 Easy to Install: The smoke detector alarm has a simple installation, convenient and time saving, don't need too much tools or complicated steps. 5 Widely Used: The smoke fire alarm detector is easy to operate, only needs one piece of 9V battery to work normally, suitable for home, office and other places, to provide you with a full range of protection.Item Type: Smoke Detector Material: Plastic Size: 11 x 11 x 5cm/4.3 x 4.3 x 2.0in Operating Voltage: 9-12V Working Temperature: 4.4 /37.8 Working Humidity: 10%-90% Static Current: 10uA Alarm Current: 10mA Alarm Linkage: Independent Sound and Light Alarm Alarm Sound: 85dB