1. Model: AHC-5

2. Electrochemistry type sensor(Japan)

3. Gas detected: carbon monoxide

4. Working voltage: AC220/AC110, 12VDC-20VDC

5. Back-up battery: 12V battery

6. Patent No. : 200830104031. 7

7. Options of gas density and alarm level: EN, UL, CN 8. LCD displayer