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First Alert SA340CN 10 Year Battery Tamper-Proof Smoke Alarm at $23.99, meets the code for sealed/tamperproof alarms. A 10 year lithium power cell means no costly battery replacement for the 10 year life of the alarm. This is the only tamper-proof alarm proven to last 10 years!
An ionization smoke sensor delivers optimal smoke detection from flaming fires.
Features:
- Tamper-proof alarm design - meets code for sealed/tamper-proof alarms - ideal for rental properties
- 10-year lithium power cell - no costly battery replacement for 10-year life of alarm
- The only tamperproof alarm proven to last 10 years
- Mute button - mutes unnecessary alarms immediately and tests alarm function with same button
- Ionization smoke sensor - optimal smoke detection from flaming fires
- Loud 85db alarm
- 10-year lithium power cell included with detectors
- Limited 10 year manufacturer warranty
- User Manual
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