- 1 LED
- Test Button
- Hush Button
| - Features:
Round, so no lining up necessary when installing Ionisation best for fast flaming fires eg electrical appliance fire - Interconnectable up to 11 other Kidde Fyrnetics battery smoke alarms.
- Interconnects with bell wire
- Sealed in battery, prevents battery theft, issue for Landlords
- Optical alarms also known as Photo alarms; less prone to nuisance alarms
- Optical best for slow smouldering fires eg smouldering furniture
- No radioactive components
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