Safeguard Supply Wireless LRA-DCTX Long Range Door Contact Sensor


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The LRA-DCTX is a wireless, long range, door-window contact sensor for use with the Safeguard Supply series of LRA products. Simply mount the sensor over a door or window and receive an immediate alert when the door is open. With a 1,000 ft. range, it’s great for larger areas.

GTIN: 635963263577 SKU: LRA-DCTX

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The LRA-DCTX is an indoor rated door/window contact sensor that will transmit a signal, up to 1000 ft. away to the compatible receiver, the LRA-DCRX.  Simply mount this transmitter on your door and when it opens, it instantly sends a signal to the receiver where a chime sound/melody is played.

Like all products in the LRA series, this sensor/transmitter is compatible with all the Safeguard Supply LRA series of products.  Each receiver in the LRA series, the LRA-DCRX desktop receiver and the LRA-VPRX portable receiver, is capable of working with four different sensors/transmitters and will play a corresponding sound for that zone.

The door/window contact mounts to the door and door frame using the supplied double-sided tape.  Install the supplied long lasting lithium batter, mount it to the door, then pair it with the portable or desktop receiver and you will instantly start receiving alerts.

You may use this product as an add-on to your existing products or buy the sensor together with a receiver by purchasing the LRA-C1000 Door Entry Alert Kit.

LRA-DCTX Transmitter/Sensor Features:

  • When door is open, transmits a wireless signal up to 1,000 ft. to a compatible receiver.
  • Ultra-thin, only .3” thick (8.0 mm) is small, easy to set up.
  • Mounts using supplied double-side tape.
  • Easy access to battery located on front cover for easy replacement.
  • Cyclical alert capability if door or window remains open.
  • Low power consumption.  Alerts receiver when battery is low so you will know to replace it.
  • Powered by 1 x CR2032 battery (easy to find and replace).
  • 1 year manufacturer’s warranty
  • Complies with FCC, CE, RED, and RoHS standards.
  • Manufactured by Safeguard Supply

Product Dimensions:

LRA-DCTX Transmitter/Sensor: 2.8”(H) x 1.2”(W) x .27”(D)

Additional information




Safeguard Supply


Safeguard Supply – LRA Series

Sensor Type

Magentic Contact

Wireless Range

1000 ft.


1 Year

Best Use

Large Homes – Medium Sized Business
Residential Home Use

Kit Or Accessory

Transmitter Only

Customer Reviews

Based on 215 reviews
J.G. (Rockwall, US)
Wow this is really bright

I purchased this flashing door chime to communicate between rooms during funeral services so the person in our music room knows when to start the music. This flasher is extremely bright. There is no way to miss it or ignore it if you are in the same room.

I needed a silent device so I have not tested the chimes. I strongly recommend this if you need a flashing signal that can be activated remotely.

j. (Dunlap, US)
Very Good Product- Could be louder

We purchased and installed this doorbell and two extra receiver units about 4 days ago for a relative with a profound hearing loss. It performed as advertised. The flashing light is bright and continues to flash for 15 seconds or so after the tone stops. Would suggest keeping the tone announcement operating the entire times the light is flashing, to possibly add a voice announcement "doorbell" and to make the volume on the tones still louder. We have three receivers in a 1400 square foot ranch house and the tones are still not heard. we are planning to add three more receivers, almost one of every room. The transmitter button seems to be well made. We will have to see about the coin cell life in the transmitter

J. (Arnold, US)
Easier Than Changing Batteries

Compact. Plenty of cord length to move receiver away from outlet so that you have room for other plug in devices. Quick delivery.

M.L. (Plymouth, US)
Works Great

Has a very broad detection area, so we narrowed it with tape. Works perfectly.

D.G. (Avon Park, US)
Doorbell extender

Mine stopped working after a year or two. Called the company and they sent me a new one immediately with no charge. Can't beat that. Only complaint is it's impossible to get back into the little transmitter box once you close the cover.

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