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The photoelectric sensors is used to detect any smouldering fires that uses a light beam which, normally does not hit the sensor, but when smoke scatters the light particles, it will hit the sensor, therefore triggering the alarms – this method is used to detect a fire in its early stages, therefore reacting a lot faster. Now, the Split Spectrum Sensor should detect both the flaming fires and the smouldering ones, by adding a blue LED light at a wavelength of 450nm to look for small particles which are an indicator of a rapid, fast burning fire and keeping the usual photoelectric sensor to detect smouldering fires. To make sure it doesn’t repeat the mistakes of its predecessor annoying false alarms, the new sensor is isolated from any outside light and the encasing is designed to only allow smoke in and nothing else this worked just fine since the second generation of Nest Protect is indeed less prone to false alarms. Besides the Split Spectrum sensor, there’s also an Electrochemical carbon monoxide sensor yes, the Nest Protect is also a Carbon Monoxide Detector which detects the CO concentration level inside the room and, if it’s beyond safe levels, it triggers the alarm CO detectors usually last about 6 7 years, but Nest advertises that the sensor on the Protect can last up to 10 years. Furthermore, there’s also a heat sensor so you’ll get notified when the home gets either too cold or too hot, a humidity sensor so it makes it unlikely that the alarm will be triggered when there’s lots of steam, an ambient light sensor so the detector knows when the lights are shut off and it can activate the Pathlight feature or the Nightly Promise – the LED will be green if everything is fine, otherwise, it will become yellow and an occupancy sensor it is used with the Pathlight feature, so it will detect movement and will shine a light on your path during the night – so you don’t stumble on the furniture. With the new released WiFi systems and home automation hubs, I noticed an increased interest towards simplicity and minimalism in both design and functionality, which meant a simple design and a single LED which showed the status of the system with different colours. Of course, for me it did not make much sense since there is no intuitive way to understand all those flashing or solid colours, so I said that a voice feedback would make much more sense. It seems that Nest Protect actually implemented such a system and, using an omnidirectional microphone, it will speak to you in words besides also using the appropriate colours: there are two types of alerts, the Heads up it’s a calmly spoken warning + yellow LED, when smoke or CO levels are rising but have not yet reached dangerous levels and the Emergency Alerts when smoke or CO are at dangerous levels, the Nest Protect notifies you where is the problem, it turns the LED red and triggers the loud sound alarm – 85dB. Head Up and Emergency alerts can be silenced by pressing the circular button. Note: This device is not intended for people with hearing problems it lacks a flashing strobe of light and the 85db alarm may not be enough in such cases. The Nest Protect runs self tests regularly every 200 seconds to see the status of the batteries and sensors and you can also run a full test to check at any time during this process, you’ll notice a blue light rotating around the button.

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01.14.2007 | 34 Comments

I felt like something had been taken off me from under my feet because there was not supposed to be something plugged into my internet, I was led to believe it finds its own internet. However I was vulnerable at that time as I had just been burgled. Subsequently the alarm would go off without any intrusion. I reported this and on two separate occasions it was attended to but on the third occasion it wasn’t and later I was told to read my manual which was emailed to me. But it continued going off without intrusion so I turned it off until I went away when people I had left to attend to the intruder alarm eventually complained that it was going off without intruders. I then left a one star rating which was responded to very promptly and I am Very Pleased that I can now set my alarm on and go to sleep without being woken up unnecessarily. I was requested to delete the one star rating and I did. It had not worked the way I needed when I had it isince May but I am Very pleased with the service I have received since my last review. Excellent customer service. I have given it four stars as I expect to be back to give it a five star at some stage. This will be when I’ve been away and the people responsible to respond give their views when they compare to how it worked in the past.

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01.14.2007 | 16 Comments

Bronze Bundle discount Note: Most promotional prices cannot be combined with promotional prices for other services. The regular rate for this service may apply if another promotional service is added to your cart. Offer expires 09/30/2019 and is available to new residential customers in Cox service areas. Offer is only available for new subscriptions to Cox Contour TV, Internet Preferred 150 and Cox Homelife service. Bundle rate increases $20/month for months 13 24. Equipment fees extra. After promotion period, regular rates apply. Prices exclude additional equipment charges, inside wiring fees, additional outlets, taxes, surcharges including video Broadcast Surcharge $10. 00/mo. and Regional Sports Surcharge $9. 00/mo.