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Gentex 7139LS Wall Mount T3 Smoke Alarm with Backup

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By Gentex
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    Availability: In stock

  • Very Bright Strobe Light
  • Meets ADA Requirements
  • 9 Feet Line Cord
  • Very loud Horn
  • Flashes 60 Times per Minute
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Item# Description Size Price

Smoke Alarm with Backup - Ships Free!



Smoke Alarm with Backup - Each


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Gentex 7139LS Wall Mount T3 Smoke Alarm with battery backup requires no hardwiring in order to be set up. Installation is easy, simply plug in the extended 9 foot AC power cable to an outlet and mount up on the wall, no handyman or electrician required. A power backup runs on a 9-volt battery that is included in the package if the power goes out, the audible alarm will go off in the case of a fire or smoke is detected within the vicinity. A powerful flash alarm strobes at 60 times per minute to alert those who are far or deaf and the T3 evacuation tone is familiarized by most.

In an emergency, the best alert system is one that can reach the majority. Keep yourself and your loved ones safe in the case of a fire with the superior warning ability of this smoke alarm.

Product Features and Benefits

  • T3 Evacuation Tone
  • Long 9 Foot Power Cord
  • No Hardwiring Needed
  • 90dB Horn
  • Test Switch Function
  • Flashes 60 Times Per Minute
  • Meets State, Federal and ADA Requirements


  • Warranty: 1 Year Limited Warranty
  • Certification: UL Listed, USA
  • Power Source: AC Power Cord
  • Backup Power: 9V Battery, Included (Audible Alarm Only
  • Type: Emergency Alert
  • Alert Type: Strobe Light
  • Manufacturer: Gentex
  • Product SKU: GEN-7139LS
Additional Information

Additional Information

Manufacturer Gentex
Ships Free Yes

Shipping & Returns

Shipping Information

Leaves Warehouse: 1-2 business days - More details
Economy Shipping: Guaranteed 7-10 business days

Returns Information
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Community Q&A
WARNING: This product may contain chemicals that are known to the State of California to cause cancer, birth defects or other reproductive harm. This product complies with all state and federal safety standards.

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