$13.99 for US Patrol Alarm Security Bar ($29.98 List Price). Free Returns.

Up to 53% Off
160+ bought
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Product Details


US Patrol Alarm Security Bar

When would-be intruders try to turn the knob on a front door, hotel room, or dorm room, this security bar—placed beneath the knob on the inside—springs into action by broadcasting a piercing alarm or barks from a fearsome dog. The heavy-gauge steel bar extends up to 42" tall, allowing it to touch doorknobs of varying heights and ride some roller coasters, and it is easily put in place without a need for tools or other fussing.

  • Stick-shaped alarm system fits beneath doorknobs
  • Emits alarm or barking dog sound when doorknob is touched
  • Heavy-gauge steel
  • Extendable to fit doorknobs of different heights
  • No tools required
  • Requires one 9-volt battery (not included)
  • Weight: 3.5 lbs.
  • Dimensions: 1.5" diameter, extends from 30.25"–42" high


How to get your goods: by purchasing this Groupon and providing your name and shipping address, your order is complete!

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The Fine Print


Limit 3 per person, may buy 2 more as gifts. Free returns. $2.99 flat-rate shipping fee for purchases less than $14.99. Free shipping for purchases of $14.99 or more. Does not ship to AK/HI/Canada/Puerto Rico. Most orders are delivered within 2 1/2 weeks from the purchase date. Does not ship to PO boxes. See return policy. Must pay applicable tax and provide name and shipping address at checkout, which will be shared to facilitate shipping. Goods sold by Groupon Goods.

By purchasing this deal you'll unlock points which can be spent on discounts and rewards. Every 5,000 points can be redeemed for $5 Off your next purchase.