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AC/DC Smoke Alarm

Model Number: 3120B

Online Price

  • Description 

Protect your home and family with the 120V AC dual sensing smoke alarm with silence/test button and battery back-up. There's no need to remove the alarm from the ceiling. The front load battery door makes switching batteries quick and easy.

  • Photoelectric/ion sensor
  • Battery-operated
  • Kitchen and bedroom
  • 10-year limited warranty
  • Support: technical resources available at:, toll free: 800.323.9005, support hours: Mon -Fri 7:30 AM - 5 PM CST

Please Note: Prices, promotions, styles and availability may vary by store and online. While we do our best to provide accurate item availability information, we cannot guarantee in-stock status and availability as inventory is sold and received continuously throughout the day. Inventory last updated 11/24/2014 at 5:00am EST. Online orders and products purchased in-store qualify for rebate redemption. Rebates are provided in the form of a merchandise credit check which can only be used in a Menards store.
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