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Nest Cam IQ OutdoorThe outdoor camera boasts an IP66 weather rating and Nest says it's tamper resistant, too.
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But it doesn't connect to existing doorbell wiring, which means the doorbell won't chime inside the house, only on your smartphone.
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Professional installation services may cost up to $250, although special offers that waive installation fees are common.
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The Ring Pro shines in a different way with some of the best motion detection options on the market.
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1 Sales Channel 13. 1. 1 Direct Marketing 13. 1. 2 Indirect Marketing 13. 1. Which type of sensors are equipped on the smoke detectors?Smoke detectors can have two types of sensors: ionization sensors, photoelectric sensors or both usually called dual sensors. The ionization sensor is used to sense flashing fires by detecting the small particles generated by these fast burning fires and triggering the alarm. The technology behind it involves using a radioactive isotope of americium usually, it’s Americium 241 to ionize the air inside a chamber and, if the sensor detects any changes in the air, it triggers the alarm. The disadvantage of using such type of detectors is that they are more prone to false alarms such as when you’re cooking or when there’s a large amount of steam. The photoelectric sensor is more
sensitive to larger particles which are specific to slow burning, smouldering fires which could originate
from a forgotten cigarette on the couch, but the sensor is not as sensitive to flaming fires.
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