what is life expectency of ultrasonic pest repeller?

Good question! I normally replace mine every 6 months to a year, but I bought the last set April 2020 and they still seem to be working unless the blinking red light is just electricity fooling me? I also use the TomCat sticky boards and I catch spiders, crickets and even a lizard a few years ago in those..YikeSSSS! I put them behind the couch, beds and bathrooms behind the toilets. I really don't get many critters maybe one little spider or a few gnats every 4 months. Hope this helps from California.

How long do they last? I've had mine for approximately 5 years. Worked great, but cat brought me a mouse last night.

Had mine less than 6 months...can't help you there.

How many square feet does it cover cuz only other ones on the internet I see that cover up to 13 square feet is 16 square feet?

I bought a package of six and placed in areas where food is prepared and or eaten. The size of the room may matter so I placed one above each kitchen counter, one in the dining room, one in the pantry and two in my 28 ft long living room. I have seen no evidence at all of pests since they were put in service

I have birds and chickens? Will it bother them?

Birds don't hear in ultrasound (high frequency) so it won't bother them. That also means it won't repel pigeons, black birds, but should annoy rodents, some insects, bats, and whales.

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Pest Repeller 6PC Kit

Product ID: 35816309

Details

Brand
Bell+Howell
Item Form
Plug in device
Item Volume
216 cubic
Number of Items
6
Scent
Unscented

🔊Variable ultrasonic frequencies

🔌Plug & play convenience

🛡️Chemical & odor free safety

965 kr

Duties & taxes included

In stock

Sold byAmazon NorwayDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚫🐜 Evict pests silently—because your home deserves a chemical-free fortress!

TRUSTED LEGACY - Backed by 110+ years of innovation and EPA registration for peace of mind.
PET HUMAN SAFE - 100% odorless and chemical-free, safeguarding your loved ones while evicting pests.
MULTI SIZE VERSATILITY - Six devices in three sizes tailored for every room, from countertops to basements.
EFFORTLESS PLUG IN SETUP - No mess, no chemicals—just plug in and reclaim your space instantly.
SILENT ULTRASONIC DEFENSE - Harnesses dynamic ultrasonic waves that pests can't adapt to, ensuring relentless protection.

The Bell and Howell Ultrasonic Pest Repeller 6-Pack offers a cutting-edge, chemical-free pest control solution using variable ultrasonic frequencies that disrupt rodents and insects. Designed for easy plug-in use across multiple room sizes, it provides silent, odorless, and safe protection for humans and pets alike. Trusted for over a century and EPA registered, this kit delivers year-round defense against a wide range of pests including mice, rats, spiders, ants, and mosquitoes.

Specifications

ASIN	B017I2L66Y
Best Sellers Rank	#5,439 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #299 in Pest Repellents
Brand Name	Bell+Howell
Customer Reviews	3.9 3.9 out of 5 stars (6,031)
Item Form	Plug in device
Item Nype Name	plug in repellent
Item Volume	216 cubic inches
Item Weight	12.8 ounces
Manufacturer	Bell Howell E mishan & sons
Manufacturer Part Number	50102
Model Number	6 pack
Number of Items	6
Scent Name	Unscented
Size	1 Count ( pack of 6)
Target Species	Spider
UPC	852374001028
Unit Count	8 Count

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