$5.99 for a US Patrol Watchdog Doorknob Alarm ($12.97 List Price). Free Returns.

US Patrol Doorknob Alarm

Up to 54% Off
920+ bought
Discount 54%
Over 920 bought
$12.97
no longer available

Product Details


US Patrol Watchdog Doorknob Alarm

Add an extra layer of security to your home or business with a doorknob alarm. Once activated, the alarm emits a piercing shriek when the doorknob it rests on turns, helping scare off intruders or teach a lesson to that next-door neighbor that refuses to knock.

  • Siren alarm
  • Helps keep home safe and secure
  • No special wiring
  • Hangs on inside of doorknobs
  • Requires one 9-volt battery
  • Dimensions: 7.87” (L) x 1.75” (W) x 1” (H)


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.

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