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Hanging Doorknob Knocking Alert - CentralAlert™

Hanging Doorknob Knocking Alert - CentralAlert™

Model: CA-DXH
Regular price $59.95
Regular price Sale price $59.95
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A portable door sensor solution with many uses

You can easily hang it on your doorknob to detect someone knocking. The sensor transmits a wireless signal that triggers the CentralAlert System to notify you when someone is at the door. Ideal for interior and exterior doors at home as well as hotel doors.

Specifications:

Wireless technology................................2.4GHz Smart code

Operating range......................................Up to 200ft.

Battery type............................................2 AA size alkaline batteries

Battery life..............................................Up to 10 months

Operating temperature..............................+10 to 40 degree C

Size.........................................................2.5" x3.8" x 1" (64x96x23mm)