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However, the current, second generation Nest has a unique Split Spectrum sensor that's said to be more effective than the norm for photoelectric technology. However, we did not spot any rigorous testing to verify that claim, so for now, consider this to be a standard photoelectric unit. Likewise, expert testing of the CO side of things is limited. No one has rigorously tested the CO detector performance of the second generation model. Consumer Reports says that the first generation Nest Protect worked well as a CO detector, though it was more effective in sounding an alarm when it spots high CO concentrations than low. User reviews, once mixed, are now much stronger as the product has been updated and tweaked since release.alarm system home
You can choose motion activated recording with this device or H. 264 compression to maximize storage space. This security camera will make thieves and vandals think twice about approaching your property. You can record over 1 years’ worth of footage on the included 1TB hard drive. The Night Owl 8 Channel Smart Security DVR with 8 Ultra Resolution Outdoor Security Cameras functions just like a computer with a mouse for pointing and clicking and an intuitive icon base menu for easy setup and use. • Reliable security cameras.