10 year life featuring a 10 year sealed for life lithium battery | Intelligent algorithm heightens the sensitivity when detection of low level CO occurs – providing a rapid alert to dangerous CO levels | Increased alarm sound output – in line with the latest EN | 14604:2005+AC:2008 Standard, the sound output has been increased for a louder alarm and improved user safety | Low level monitoring function with ventilate ‘Pre alarm’ warning and additional Memory function to indicate previous alarm activations | Advanced diagnostics support via cable | Quiet test function supports discreet testing at a lower volume when compared to standard CO alarms | Features integrated mounting bracket – easily wall-mount or place free-standing