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Serene Group, Inc.

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Serene Group, Inc.

4.5 (123)

Door Knocker Sensor-Transmitter - CentralAlert™

Name: Serene Group, Inc. Door Knocker Sensor-Transmitter - CentralAlert™ - Door Knocker Sensor-Transmitter - CentralAlert™
Brand: Serene Group, Inc.
SKU: 44950750167352
Price: 49.95 USD
Availability: InStock

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$49.95

Quantity

Color

Black

Quantity

Never miss another visitor or package delivery!

Detects the vibration on door knocking.
It can also connect to your existing doorbell, door chimes, or door intercom provided there is an external connection.
Simple to install with ad...