Amazon offers its Prime members the Doberman Security Ultra-Slim Window Alarm 4-pack for $19.91 shipped. Matched at Home Depot as well. Regularly going for $30, you’ll save $10 from the list price. Today’s deal also matches the lowest offer we’ve seen at Amazon. Rated 4.3/5 stars from over 800 customers, these are a great way to add extra protection to your home without shelling out the big-bucks for a full security system. 

Doberman Window Alarm Features:

  • Detects Window Vibration – Instantly alerts you of a potential break in with loud 100 dB alarm
  • Unique Ultra-Slim Design – Perfect for your home, office, garage, dorm room, or even RV
  • Vibration Trigger Technology – Built-in vibration sensor perfectly tuned – will not go off in rain, wind, etc.
  • Easy Installation– Simply peel and stick, no tools needed. Warning sticker on backside deters theft
  • Includes 3 Button Cell Batteries (LR44)

FTC: We use income earning auto affiliate links. More.

Subscribe to the 9to5Toys YouTube Channel for all of the latest videos, reviews, and more!

You’re reading 9to5Toys — experts digging up all the latest technology and lifestyle deals, day after day. Be sure to check out our homepage for all the latest news, and follow 9to5Toys on Twitter, Facebook, and LinkedIn to stay in the loop. Don’t know where to start? Check out the best Apple deals, our daily podcast, and subscribe to our YouTube channel

About the Author

Blair Altland's favorite gear