Aico EI144 Mains heat detector and alarm. Superb price - £27.25.  Interlinkable with other Aico EI range smoke and heat detectors.Ideal for protecting kitchens and garages and other areas subject to false alarms; More responsive to slow smouldering fires.Supplied complete with 9v alkaline battery; Hush button for false alarm control; Separate mains and warning LEDs; Protective dust cover included; Kitemarked to BS EN 14604: 2005; All this and a 5 year guarantee!