home security system cameras

 

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security alarm for homes

Such a doorbell camera also complements, replaces and/or expands conventional doorbell functions based on these processing and communication capabilities. The doorbell camera is mounted on or in proximity to a doorframe where a conventional doorbell may be mounted, and is electrically coupled to a power supply that may have been used to power the conventional doorbell. Specifically, the doorbell camera has one or more of a speaker, a microphone, a lens assembly, an image sensor, a waterproof device housing, a waterproof button assembly, light emitting diodes LEDs, infrared IR illuminators, a rechargeable battery and corresponding compensation circuit, an adjustable mounting plate, antennas and transceivers, a processor, and memory storing programs executed by the processor. In one aspect, a method is implemented for controlling a doorbell camera having a doorbell housing and a doorbell button mounted on a front cover plate of the doorbell housing. The doorbell housing contains a camera module, an LED indicator, a processor and memory including programs executed by the processor. The doorbell camera is electrically coupled to a remote chime via a bypass unit powered by a transformer that provides an input AC voltage. The remote chime is configured to ring in response to a user press on the doorbell button. A supply monitoring signal is generated based on the input AC voltage to indicate whether the input AC voltage is greater than a supply threshold. In accordance with the supply monitoring signal, the LED indicator displays on a surface of the doorbell housing one of a set of predetermined visual patterns, thereby sending a visual message to a user of the doorbell camera to indicate whether the input AC voltage is low with respect to the supply threshold. In some implementations, the camera module is configured to in accordance with a determination that the input AC voltage is not greater than the supply threshold, disable capturing images and exchanging data with a remote server, and enable communication with a client device via a short range communication link. Alternatively, in some implementations, the camera module is configured to activate a low power mode in accordance with a determination that the input AC voltage is not greater than the supply threshold.

 

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4. User feedback is strong, and it gets good overall scores from owners posting to sites such as Amazon, where it earns a 4. 4 star rating based on around 200 reviews. At Home Depot, satisfaction is even higher with ratings ranging from 4. 6 stars to 4. 7 stars, split between three packs and single units of this alarm, and over 335 reviews overall.