Transmitter Solutions Firefly 315LMD21K Garage Door Opener Keychain Remote

SKU:: 315LMD21K

MSRP: $15.29

$13.90

(You Save $1.39)

Usually Ships Following Business Day

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UPC:
atc-product:: 315LMD21V
atc-product:: 387LM
availability:: available
brand-url:: /brand/transmitter-solutions/
brand-name:: Transmitter Solutions

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Product Description
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Product Manual

The Firefly 315LMD21K Remote is a compact keychain-style transmitter designed for convenient, reliable control of LiftMaster garage door and gate operators. With its lightweight design, intuitive one-button operation, and strong signal transmission, this remote is both portable and dependable.

Product Highlights

Part Numbers:
- New: 315LMD21K3
- Alternate: TRAFIR315LMD21K
Design: Grey button with blue case; clip-style keychain for portability.
Indicator: Red LED shows battery strength and confirms signal transmission.
Security: 9-position trinary dip switches offering 19,683 digital code combinations.
Accessories: Includes directional visor clip and 12V battery.
Frequency: Operates on 315 MHz.
Compatibility: Works with all 315 MHz LiftMaster gate operators and radio controls using 9 trinary dip switches. Compatible with LiftMaster 361LM openers.