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The camera allows people to use it for different applications. For example, a standard security camera can cover a distance of 35 40 feet. Distances that are beyond 40 feet can be
covered by the professional grade security camera. The professional grade security camera may have weatherproof housing as well. The best security camera system for home can protect your belongings. You will
know what happened at your home you they got back from outdoors.
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18 This hardwired alarm uses both
photoelectric and ionization
sensors to detect smoke. It does not have a carbon monoxide sensor. First Alert SCO7CN $25. 97 This battery operated model has a photoelectric smoke sensor as well as a carbon monoxide detector. In addition to its siren, the unit can voice warnings and instructions. First Alert P1010 Atom $24.
fall detectors
A top edge of the
lens assembly 704 e. g. , a periphery of a cover glass 705 of the lens assembly 704 forms a water tight seal with an edge of the camera opening 712. Alternatively, in some implementations, the front cover plate 708 may not have the camera opening, but
includes at least a substantially transparent area 712. The lens assembly 704 is disposed under the substantially transparent area 712 to receive light e. g.