À propos du produit
The First Alert 1039840 Smoke Alarm features a built-in 10-year battery and uses dual photoelectric and ionization smoke sensing for early warning of flaming and smouldering fires. A single button both silences and tests the detector for easy operation.
There's no need to worry about changing the battery throughout the detector's lifetime, thanks to the built-in battery. The sensor can easily be installed and changed out because it does not need wires.
1039840 features:
- Uses dual photoelectric and ionization to detect both flaming and smouldering fires
- Built-in 10-year battery
- Loud 85-decibel alarm
- A single button for testing and silencing
- no wiring required for installation
Spécifications techniques
The First Alert 1039840 Smoke Alarm features a built-in 10-year battery and uses dual photoelectric and ionization smoke sensing for early warning of flaming and smouldering fires. A single button both silences and tests the detector for easy operation.
There's no need to worry about changing the battery throughout the detector's lifetime, thanks to the built-in battery. The sensor can easily be installed and changed out because it does not need wires.
1039840 features:
- Uses dual photoelectric and ionization to detect both flaming and smouldering fires
- Built-in 10-year battery
- Loud 85-decibel alarm
- A single button for testing and silencing
- no wiring required for installation
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