1) Long life of electrochemistry carbon monoxide sensor
2) Low consumption gas leak sensor sensor
3) Test button to test the units electronics and verifies proper unit operation
4) Silence button to keep silence for arround 5 min after pressing.
5) The CARBON MONOXIDE (CO)/gas alarm Monitors the air for the presence of CO/gas. The alarm will sound and be accompanied by the flashing red LED light when there are high levels of CO present.
6) Loud 85 decibel alarm.
7) Lpower supply: AC220V/50~60Hz
8) 220VAC output to valve.
9) 9V alkaline battery backup: 12hr at least since main power failed.