Nest Smoke Detector guarantees to prevent fire hazards, and detect a problem before a fire becomes widely spread. It speaks to you when it senses a problem. It has a friendly human voice that notifies what the problem is, and where it is occurring. Smoke detectors automatically checks its own battery and sensors to ensure the device is running smoothly.
https://nest.com/smoke-co-alarm/meet-nest-protect/
Nest allows users to have convenient access and control over their smoke detectors through their phones. Users will quickly be notified about problems, and with their phone, they can detect the issue, or silence an alarm. Furthermore, an entire business or family can be shared through this network, so when something happens, an entire group will be aware of it.
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