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Safeguard Supply

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Wired-to-wireless extension

Doorbell Volume Booster: LRA-EXTX-L

$31.50
In stock

4 interest-free payments of $7.88 with Afterpay

The LRA-EXTX-L doorbell extender transmitter wires into your existing wired doorbell and signals any LRA receiver over a 1,000 ft range, adding extra chimes throughout the house. It supports up to two doors with different tones per door and runs on an included long-life lithium battery. Note: it does not work with video doorbells or intercoms.

Best forExisting wired doorbells
Alert pathDoorbell press to wireless receiver
Check firstNot for video doorbells

SKU: LRA-EXTX-L

Category: LRA-Series

Brand: Safeguard Supply

PDF user manualView installation and setup guideReceiver soundsPreview LRA receiver sounds

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Preview LRA sounds

Listen to the LRA receiver tones before finalizing the alert style.

WHY THIS SYSTEM

Keep the existing doorbell and add alerts where they are missing.

The LRA-EXTX-L connects to your wired doorbell with a simple 3-wire hookup. When someone presses the button, it signals wireless receivers to play your chosen melody, extending the sound to rooms your built-in chime can't reach. It works with any receiver in the doorbell extender and LRA lineup.

  • +Adds wireless receiver coverage without replacing the existing chime.
  • +Useful for basements, workshops, stockrooms, offices, and detached areas.
  • +Best paired with extra receivers when multiple people or rooms need the alert.
  • +Keeps the familiar wired chime while adding remote wireless alerts.
  • +Helps people hear the door from basements, shops, stockrooms, back offices, or detached work areas.
  • +Reduces missed visitors without forcing a full doorbell replacement.
What the LRA-EXTX-L does

The LRA-EXTX-L connects to your wired doorbell with a simple 3-wire hookup. When someone presses the button, it signals wireless receivers to play your chosen melody, extending the sound to rooms your built-in chime can't reach. It works with any receiver in the doorbell extender and LRA lineup.

Please note: this doorbell extender does not work with video doorbells or intercoms.

Reach and options
  • Two-door compatible: front and back coverage
  • Battery powered: long-life lithium included
  • Easy integration: simple 3-wire connection
  • Versatile use: works with any LRA receiver
  • Custom sounds: different tones per door
Specifications
  • Power: long-life lithium battery
  • Support: up to 2 doors
  • Installation: wires to existing chime
  • Compatibility: all LRA receivers
  • Range: up to 1,000ft
  • Size: 2.25"L x 2.25"W x 0.5"D
Installation
  1. Access doorbell chime
  2. Connect to terminal screws
  3. Insert battery
  4. Pair with LRA receivers
  5. Select door melodies
Compatibility
  • Standard wired doorbells
  • LRA series receivers
  • Front/back door buttons
  • Multiple LRA receivers
  • Does not work with video doorbells or intercoms
In the box
  • 1 x LRA-EXTX-L transmitter
  • 1 x lithium battery
  • Mounting hardware
  • User manual
Manuals & resources

Download setup and support documents for this product.

Use these PDFs for installation, pairing, troubleshooting, and compliance details when they are included by the manufacturer.

PDF manual

LRA EXTX L Manual 03292023

Download the PDF resource for setup, product details, and support reference.

  • Installation and setup steps for this product.
  • Pairing, placement, and receiver or transmitter setup notes.
  • Wiring, power, mounting, or accessory connection details.
Download PDF
Common questions

Wireless doorbell buying questions, answered.

Will this replace my current chime?

No. Extender products are positioned to keep the existing wired chime and add wireless receivers elsewhere.

Can I add more receivers?

Yes. Choose receivers from the same compatible family so alerts can be heard or seen in more areas.

Does it work with video doorbells?

Safeguard product copy notes that these extender transmitters are not compatible with video doorbells.

Setup & compatibility guides

Related FAQ articles for this product family.

Compare product families

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