It is a fire detector alarm, alerts and warns people to stay far away from danger field when it detected .
Once triggered, the red LED will flash with a high volume alarm sound, louder than 85dB.
Fits for areas like house, shop, hotel, restaurant, office building, school, bank, library, computer house, and storehouse, etc.
With the special structure design and photoelectric signal processing technology, it features with dustproof, mothproof and anti outside light interference.
Comes with an alarm test on. Press it after installation, if the buzzer beeps, then it works fine.
Features:<br>It is a fire detector alarm, alerts and warns people to stay far away from danger field when it detected .<br>Once triggered, the red LED will flash with a high volume alarm sound, louder than 85dB.<br>Fits for areas like house, shop, hotel, restaurant, office building, school, bank, library, computer house, and storehouse, etc.<br>With the special structure design and photoelectric signal processing technology, it features with dustproof, mothproof and anti outside light interference.<br>Comes with an alarm test on. Press it after installation, if the buzzer beeps, then it works fine.<br>The photoelectric sensor is designed for early detection from all directions. Easy to install and convenient to use.<br><br>Specifications:<br>Power Supply: 2 * 9V 6F22 Batteries (not included)<br>Alarm Indication: Red LED<br>Sound Level: ≥80dB<br>Detecting Area: 20 square meters<br>Operating Temperature: -10°C ~&#43;50°C<br>Operating Humidity: ≤95% RH<br>Item Size: φ10.4*5.1cm/φ4.09*2.00in<br>Item Weight: 77g/2.71oz<br>Package Size: 10.9*10.9*5.7cm/4.29*4.29*2.24in<br>Package Weight: 109g/3.84oz   <br><br>Package List:<br>1 * Detector Alarm<br>2 * Mounting Screws<br>1 * User Manual