The Kidde 123/9hi mains smoke alarm with battery backup is one of the most popular 230v alarms in the UK. Interconnectable to up to 23 other Kidde mains alarms and round for easy lining up, installation of this ionisation smoke alarm could not be easier. Fully conforming to BS5839-pt6 Grade D, this alarm has a 6-year warranty. A hush and test button are standard and the battery is included.
Ionisation alarms are suitable for fast-flaming fires and are good for landings and living rooms - a house should have a combination of optical and ionisation
Do not use in or near to a kitchen or shower room
Fixing requires two little screws and wallplugs (included) to screw to ceiling or use sticky pads
Note If you are using mini-trunking, the Kidde SMK23 ceiling pattress will be needed | 
