A Complete Guide to Interlinked Smoke, Heat, and Carbon Monoxide Alarms for UK Homes
Office:Quantum House, 60 Norden Rd, Maidenhead SL6 4AY, UK

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Wireless Interconnected Alarm System – Full-Range Home Protection!
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Interlinked smoke alarms communicate through radio-frequency (RF) signals. When one alarm detects smoke or fire, all other interconnected alarms will activate simultaneously, ensuring that you receive a prompt warning.
| Product | Interlinked Smoke Alarm | Interlinked Smoke Alarm | Interlinked Heat Alarm |
|---|---|---|---|
| Model | S04-R8 | S05-R8-A | H01-R8 |
| Battery Lifetime | 10 Years | 10 Years | 10 Years |
| Power Source | 3V CR123A lithium battery (non-replaceable) | 3V CR123A lithium battery (non-replaceable) | 3V CR123A lithium battery (non-replaceable) |
| Operating Current | Monitoring current: ≤ 15uA (avg.) Alarm current: ≤ 25mA (avg.) |
Monitoring current: ≤ 15uA (avg.) Alarm current: ≤ 35mA (avg.) |
Monitoring current: ≤15uA Alarm current: ≤60mA |
| Radio Signal Range | Up to 1000 m (3280.84 ft) in open air | Up to 1000 m (3280.84 ft) in open air | Up to 1000 m (3280.84 ft) in open air |
| Silence by IR Remotes | Support | Support | Support |
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Dahua Technology UK Ltd,Quantum House, 60 Norden Rd, Maidenhead SL6 4AY