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Tools & Home Improvement > Safety & Security > Household Sensors & Alarms |
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Product Description You can use it with doors open or closed. The DA50L Wireless Door Chime entrance alarm is a self sufficient battery powered unit and does not require any electrical wiring.The DA50L wireless door chime entrance alert operates without reflectors or light beam projectors and therefore is immune to false alerts caused by transient light. Entrance Alert Set for All Door Types Shipping Weight: 2 pounds | ||||||||
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