Door Knock Sensor Transmitter CA-DXH
You can easily attach the Door Knocking Sensor (Model CA-DX, sold separately) to this hanger and hang it on your door knob to detect the knocking on your door. The CA-DX sensor sends a wireless signal to trigger the CA-360 to alert you that someone is at the door. Ideal for both home and hotel stay applications.
Operating Frequency: 2.4 Ghz
Operating Range: Up to 210 ft, open space
Battery Type: Two AA size alkaline (not included)
Battery Life: Up to 10 months
Size: 2.5” x 3.8” x 1” - Net Wt: 4 Oz
Ships FREE today
All in-stock orders placed before 5pm EST (Mon-Fri) will ship the same day. Ground shipping is FREE within the 48 contiguous United States for all orders over $9.95. Expedited shipping options, as well as ground shipping to Alaska, Hawaii, or Puerto Rico are available for an extra charge.
Returns & Exchanges
Qualifying products may be returned within 30 days from receipt for a full refund. Please note that hearing aid accessories, hygine items and ear care products cannot be returned. Please CLICK HERE to review our full returns policy.