Interconnect up to 20 wired detectors 9v Battery Backup included Loud 85dB alarm Fast Fix base included Insect proof Test function and hush feature Specifications Scheme Rating: D2 Detection Type: Electrochemical Power Source: 220-240v AC 50Hz Battery Backup: 9v Battery Alarm Sound Level: 85dB at 3 metres Carbon Monoxide Level: 50ppm (60-90 mins) 100ppm / (10-40 mins) 300ppm / (<3 mins) Operating Temp: +5°C - +38°C Approvals: EN50291-1:2010 +A1:2012 Guarantee: 5 years
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