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This inexpensive lifesaving product can detect smoke and warn a family of a fire or impending fire. It is very important to have a battery operated smoke detector in the event of loss of power, in addition to a fire. It is recommended that a battery operated smoke detector be on each floor of your home. Finding the right product to protect your family can be difficult with so many reports finding the weaknesses in this life saving device. Smoke alarms that never go off, ones that go off too frequently due to false alarms, can create a challenge in finding a good quality alarm. We have selected alarms that have been tested and proven to provide the protection your family needs.Smoke Detector
In an example, both the plurality of wire terminals 720 and the electrical connector 722 are available on the rear exterior surface of the device housing 702. The electrical connector 722 is only connected in a factory for testing, calibrating and/or setting up the doorbell camera 106, while the plurality of wire terminals 720 are applied to provide the power supply in the factory and/or after the doorbell camera 106 is shipped to a customer. In some implementations, the rear exterior surface of the device housing 702 includes a plurality of recesses 724. For example, the plurality of wire terminals 720 is disposed within a first recess 724A, and separated by a separation 730 that protects the lines connected to the first and second terminals of the plurality of wire terminals 720 from being shorted to each other. A height of the separation 730 may be smaller than a depth of the first recess, and the depth of the first recess 724A is configured to be greater than a height of a connection formed between the plurality of wire terminals 720 and the power supply or ground line. Specifically, in the above example, when the screw fastener is used to fix the fork terminal of the power supply or ground line onto one of the plurality of wire terminals 720, the depth of the first recess 724A is configured to be greater than a total height summing a thickness of the fork terminal and a height of a screw head of the screw fastener. As such, when the power supply and ground lines are connected i. e. , tightened to the plurality of wire terminals 720, the lines extend beyond the first recess 724A, while the corresponding connections i. e. , at the plurality of wire terminals 720 do not rise beyond the rear exterior surface of the device housing 702.