Kidde Firex KF20 Hard Wired Mains Optical Fire Smoke Alarm

The Kidde KF20 is a 230V Optical Smoke Detector with Alkaline Battery Back Up from the Kidde Firex range.
The mains powered detectors are inter-connectable, making them suitable for residential and light commercial environments.
In addition the new KF20 also comes complete with a dust compensation and bug screen reducing the inconvenience of nuisance alarms.
The hard wired units come with an alkaline battery back up and can be interconnected with other units from the series to create all round fire protection within the home, when one alarm senses a fire, all units will sound.

Technical specifications
230 / 240V Mains powered with alkaline battery backup
Kitemarked to BS EN 14604:2005 and CE marked
Maximum of 23 units can be interconnected via signal cable
Neat slimline design
Operating Temperature: 0-40°C
Alarm Sound Output: 85 Decibels minimum at 3m
LED display
Test / Silence button
Complete with mounting base (flush)
Low battery warning chirp
Supplied with dust cover (to protect unit temporarily if you carry out dusty work)
6 year warranty

Dimensions
Alarm - (DIA) 127mm x (D) 39mm
Bracket - (DIA) 133mm x (D) 6mm
Weight: 242g
BSI certified to BS EN14604:2005
CE tested and certified