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smoke sensor in the Nest Protect is different than any other smoke alarm we've looked at. The unit uses a split spectrum sensor, a special type of photoelectric sensor, which is designed to detect both smoky and flaming fires. The Nest Protect also has a built in a carbon monoxide sensor and will sound an alarm if it detects dangerous levels of the invisible, odorless gas which can be lethal if you breathe it for too long. To help cut down on false alarms from steam and burnt toast, the Nest Protect also uses humidity and heat sensors. We tested the detection capabilities of each smoke detector in our comparison by spraying test smoke from an aerosol can directly at each one from 5, 10 and 15 feet away. When we tested the 5 and 10 foot mark, the Nest Protect sounded its alarm after 18 seconds. At 15 feet, the alarm activated at 28 seconds. It should be noted that Nest Protect was the only smoke detector that passed all of our detection tests. Half the devices could not detect our test smoke from 10 feet away and only Nest Protect sensed danger from the 15 foot mark. All smoke alarms
feature a loud blaring tone to alert you to potential dangers in your home. Nest Protect goes a step further by adding voice alerts that calmly tell you what kind of danger is present, where it is and how to proceed.
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We’d like a system that only records
when there’s activity 24/7, not constant recording. Plus, the cameras must be mounted outdoors and capable of handling extreme temps and and foul weather. We’re not opposed to making a costly investment as it will hopefully allow us to catch the perpetrators and stop their membership permanently. Can anyone offer some suggestions or recommendations?Thank you!Hi Avant. You can try out the wireless security camera systems to serve
your purpose, such as /product/rlk4 210wb2/, /product/rlk4 210wb4/, both of which support motion recording even when there is no internet. Additionally, the cameras are waterproof and can brave harsh weather conditions. Or if you prefer a higher resolution security system that can work without Internet, you can try the PoE security camera systems, like /product/rlk8 410b4/. In case that any perpetrators appear, they will by captured by the security cameras and the recorded videos will be the most powerful evidence. Hi Beckie, the wireless security IP cameras won’t get your Internet access unless you use your phone or computer to connect to it and get live streaming remotely, or unless it detects burglars and sends video or images to you. So they use your Internet only when it’s necessary. Here are two recommended wireless security cameras for you: /product/rlc 411ws/, /product/rlc 410ws/.