| 摘要 |
A stand-alone motion sensing, lighting and alarming system for indoor use includes a box with mounting brackets and face plate, a motion sensor and alarm for receiving motion sensor and audible alarm electronics therein, a light holder pivotally mounted to the unit box, for receiving light therein. The unit box also includes an eight-foot cord and a grounded plug to establish electrical and mechanical connections with a source of 115 V.A.C. electrical power, a double pole single throw toggle switch for powering alarm, a double pole singe throw light switch for powering unit, and adjusters for the photocell and light/alarm duration.
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