About the Kidde K20C:
The K20C Professional 230v mains powered optical smoke detector with a 9v Alkaline battery back-up is specifically designed for detecting any visible fire particles for slow smouldering fires.
The K20C Optical Alarm has a Multi-functioning green & red LED display and can be interlinked with up to 24 other Kidde detectors.
The unit has both 'test' & 'hush' functionalities, the 'test' functionality triggers the alarm and all other units interconnected and the 'hush' function allows the unit to be silent for a 10 minute period. The K20C has a 6 year manufacturers warranty and is certified to BS EN 14604:2005.