1. Voltage:16V ～32V DC

2. Sensitivity: 5-500PPM can be adjustable

3. Operating temperature: -10℃ -- +50℃

4. Working humidity: ＜95% RH

5. Alarm sonority: ≥85db

6. Product size: 10.9 x10.9 x5.2cm

7. Can be connected to fire alarm control panel