Interconnect up to 20 wired detectors 9v Battery Backup Backup Loud 85dB alarm Insect proof Test function and hush feature Technical Specification:Scheme Rating: D2 Detection Type: Photoelectric Sensor Power Source: 220-240v Battery Backup: 9v Battery Backup Alarm Sound Level: 85dB at 3 metres Operating Temp: 0°C ~ 40°C Operating Current: <40mA operation Coverage Area: 60m2 max at 2.4m mounting height Approvals: BS EN14604:2005Dimensions: Length: 55mm x Height: 120mmWeight: 0.162KgWarranty: 5 Years
