Mains Powered 230V Optical Smoke Alarm with 9V Battery Backup with Push-fit Base

The SW1 is a mains powered smoke alarm with high performance optical sensor, 9V battery back-up and improved Push-Fit base for quicker and easier installations; designed to ensure quick and easy installation of base unit to the mains feed supply at installation stage (1st fix) and for quicker and easier connection of alarm to base unit (2nd fix). Optical technology reduces nuisance alarms, suitable for use in areas adjacent to where cooking fumes are present. 230V mains powered smoke alarm with 9V battery back-up Easy to install - comes with a Push-Fit base to ensure a quick and easy 3-step method of fitting. Added safety clip feature, to prevent installation of heat alarm without battery installed Enhanced optical smoke-sensing technology reduces nuisance alarms Large central test button feature with a separate silence button and low battery warning feature Multi-alarm interconnect up to 12 smoke (SW1-PF), heat (HW1-PF) & CO (CW1-PF) units – when one sounds they all sound LED operating indicators - Power, Fault, Alarm