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Price: $19.98
(as of Jan 27, 2026 04:29:25 UTC – Details)
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Product description
K11-Pro Ultrasonic Motion Sensor Alarm for Outdoor and Indoor Use
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. K11-Pro Ultrasonic Motion Sensor Alarm Merchant Video
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Reviewer: Badilloja
Rating: 5.0 out of 5 stars
Title: Great to deter pests!
Review: I bought the Solar Outdoor Motion Sensor Alarm to deter stray cats and squirrels from entering my covered boat. Since the boat cover blocks the solar charging panel, I’m glad it also supports USB charging. The motion detection is reliable, and the siren offers multiple settings. While not the loudest, it should be effective for my needs.
Reviewer: Justin Lee Walker
Rating: 5.0 out of 5 stars
Title: It’s loud enough for bears!!
Review: It’s working great so far!! Keeping the bear out of my garbage!!
Reviewer: Curly N Girly
Rating: 1.0 out of 5 stars
Title: Nah…do not recommend
Review: Don’t waste your money on these. $20 for one and they feel like super cheap plastic. They are pretty loud but the motion sensor did not work very well; had to pretty much be right on top of it for it to even make a sound.
Reviewer: Louise Laverty
Rating: 5.0 out of 5 stars
Title: Chase those geese with these!
Review: Worked great for chasing Canada geese away from my dock and nearby lawn!Easy to install. Solar power capacity was good – lasting 20 hours or so. Delivery was satisfactory
Reviewer: Brenda C
Rating: 4.0 out of 5 stars
Title: Satisfied
Review: Seems to deter pesky animals from the yard. Satisfied so far
Reviewer: Truelive
Rating: 5.0 out of 5 stars
Title: Loud but effective
Review: 👍
Reviewer: WhetstoneDoug
Rating: 2.0 out of 5 stars
Title: I needed a remote control device only
Review: The description was very misleading regarding the remote. It still goes off on its own, and I needed more of an ‘on demand’ bird scare, not something that screamed out at 2am. Does it work for other stuff 🤷♂️. Maybe… giving 2 stars because it’s not crap, just doesn’t work for me… and the description made it seem like it would so I wasted my time.
Reviewer: Wonka
Rating: 5.0 out of 5 stars
Title: They are very loud!
Review: They work great, but they are very loud. I was afraid my neighbor would complain with the alarm going off in the middle of the night! Scared the crap out of the unwanted critters!
, Tools & Home Improvement > Safety & Security > Home Security Systems, #Solar #Outdoor #Motion #Sensor #Alarm #Ultrasound #Alarms #129db #Motion #Detector #Lo..,
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