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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.

Posted March, 2011 by Admin

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Each camera provides up to 100 feet of night vision and comes with a pre installed 1 TB hard drive. The Q See QT5680 8E4 1 8 Channel Full D1 Security Surveillance System has remote internet monitoring allowing up to 10 users at the same time to see what is occurring in the home. This device can stream live video directly to remote Mac, PC, iPhone, iPad, or Android allowing you to receive email alerts when motion is detected. This allows you immediate notice if a problem arises. The PKD DK4216 500GB Security Camera is an advanced H. 264 smart DVR that will allow you to access the security camera remotely from the internet. You can access the security camera using the internet or your 3G smartphones including blackberry, android, iPhone, or iPad. The PKD DK4216 500GB Security Camera includes four indoor/outdoor night vision cameras with 60 feet of cable per camera, a preinstalled 500GB security hard drive, and a simple point and click interface all combined into an easy to use H. 264 smart DVR. With network access, VGA video output, and USB 2. 0 backup, the DVR is perfect for the home or small business.

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Stated another way, the margin of the field of view is limited by physical features of the lens assembly 704, rather than by the camera opening or transparent area 712 of the front cover plate 708.

Perhaps the best part about this smart home upgrade is that it goes over your existing lock, meaning that you can have strong security and an intelligent lock.

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Posted February, 2011 by Admin

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