Which smart smoke detector has the longest battery life?
| Product ⇅ | Price ⇅ | Battery Life (years) ⇅ | Connectivity Type ⇅ | Number of Smoke Sensitivity Levels ⇅ | Carbon Monoxide Detection ⇅ | Temperature Range (°F/°C) ⇅ | Alarm Volume (dB) ⇅ |
|---|---|---|---|---|---|---|---|
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DETECT 20SD10 (DETECT Smoke Alarm, 10-Year Battery Powered)
US
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£24.59 ≈ | 10 | — | — | — | 40 to 100 F (4.4 to 37.8 C) | 85 |
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This is a DETECT smoke alarm with a sealed 10-year battery, designed to avoid battery replacements for the life of the device. It uses photoelectric smoke sensing and includes fast alerts with an 85 dB alarm and multi-color LED status. It suits homes needing reliable, long-life smoke detection without wiring. ★ Ideal forFor the longest battery life, the DETECT 20SD10 is a sealed 10-year battery smoke alarm with no battery changes for 10 years.
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Kidde P4010DCS-W (Kidde 10-Year Worry-Free Battery Powered Interconnected Smoke Detector with Voice Alerts, 2-Pack)
US
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£43.21 ≈ | 10 | — | — | — | — | 85 |
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This Kidde kit includes two 10-year, sealed-battery smoke alarms with voice alerts. The alarms are interconnected wire-free using a proprietary radio signal, so connected units sound when one alarm detects smoke. They also provide supervised interconnect so the system can alert if an alarm loses connection. ★ Ideal forFor the longest battery life, choose this Kidde model because it uses a sealed 10-year lithium battery with no battery replacement during the alarm's life.
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