HiSpec Interconnectable Fast Fix Mains Carbon Monoxide Detector with 9v Battery Backup

Interconnect up to 20 wired detectors 9v battery backup included Loud 85dB alarm Fast Fix base included Insect proof Test function and hush feature Technical Specification:Detection Type: Electrochemical Power Source: 220-240v AC 50Hz Battery Backup: 9v Battery Carbon Monoxide Level: 50ppm (60-90 mins) 100ppm / (10-40 mins) 300ppm / (<3 mins) Alarm Sound Level: 85dB at 3 metres Operating Temp: +5°C - +38°C Operating Current: <60mA operation (mains) Ambient Humidity: 15% to 90% relative humidity Approvals: EN50291-1:2010 +A1:2012Dimensions: Length: 43mm x Height: 110mmWarranty: 5 Years