Door & Window Signalers

Sale!
Serene Innovations
Hang the CentralAlert™ CA-DX Door Knock Sensor on a doorknob and detect vibrations from knocks on the door.
$59.95 $55.75
Out of Stock
Sale!
Serene Innovations
The Serene Innovations Extra Wireless Doorbell CA-DB is a weather resistant and easy to install door bell for your back or side doors.
$49.00 $39.00
Out of Stock
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Silent Call
The Silent Call Doorbell Transmitter is attached to your existing doorbell wiring and is activated by the same current that operates the doorbell chime.
$69.95 $65.05
In Stock
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Silent Call
The Silent Call Doorbell Transmitter W/ Remote Button is supplied with a wired (removable) remote button. It is intended for installation in places where there ...
$69.95 $65.05
In Stock
Sale!
Silent Call
This Silent Call wireless doorbell transmitter sends to any 318MHz Silent Call receiver.
$52.95 $49.24
In Stock
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Silent Call
The Silent Call Door/Window Access Transmitter has two magnetic contact bars. When the door or window is opened, the bars lose magnetic contact, triggering the ...
$72.95 $67.84
In Stock
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Silent Call
The Silent Call Lamplighter Receiver is a wireless alerting device that flashes a table lamp with unique flash codes for each alert type.
$147.00 $136.71
In Stock
Sale!
Silent Call
The sleek new Silent Call 418MHz Sidekick II Strobe Receiver features increased range of up to 2,000 feet. This kit includes the Sidekick II Receiver, doorbell ...
$515.99 $479.87
In Stock
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Silent Call
Silent Call's sleek new 418MHz Sidekick II Strobe Receiver features increased range of up to 2,000 feet. This kit includes the Sidekick II Receiver, telephone t...
$485.99 $451.97
In Stock
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Silent Call
This notification system from Silent Call includes a doorbell button transmitter to notify you to the doorbell and telephone. The Sidekick Receiver plugs into a...
$399.99 $371.99
In Stock
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Silent Call
The SIDEKICK BASIC KIT “D” is a multi-functional notification system that notifies you to the doorbell and telephone. It plugs into a wall outlet an...
$384.99 $358.04
In Stock
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Silent Call
The Silent Call SideKick Deluxe Kit "D" is a multi-functional notification system which notifies you to the doorbell, telephone and when the smoke detector has ...
$531.99 $494.75
In Stock
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Silent Call
The Silent Call Signature Series Direct Wired Doorbell Transmitter is attached to your existing doorbell wiring and is activated by the same current that operat...
$88.95 $82.72
In Stock
Silent Call
The Silent Call Signature Series Doorbell Transmitter with remote button is supplied with a wired (removable) remote button. It is intended for installation in ...
$88.95
In Stock
Sale!
Silent Call
This Wireless Doorbell Transmitter lets you know when someone is at the door. It will transmit to a Silent Call® Signature Series™ receiver that will alert y...
$71.95 $66.91
In Stock
Showing 16–30 of 40 results