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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🚫🐜 Keep pests out, keep your vibe in.

PLUG IN PROTECT - Easy AC outlet setup—no messy traps or chemicals required.
ECO FRIENDLY SAFE - 100% safe for humans and pets—no odors, no toxins, just peace of mind.
MULTI SIZE MULTI ROOM - Six devices in micro, classic, and macro sizes cover every corner of your home.
SMART VARIABLE FREQUENCY - Constantly changing waves prevent pests from adapting or returning.
SILENT ULTRASONIC DEFENSE - Repels mice, rats, spiders, ants, and roaches without a sound.

The Bell & Howell Pest Repellers pack six ultrasonic devices in three sizes, delivering variable frequency waves that silently and safely repel a wide range of pests including rodents and insects. Chemical-free and odorless, these plug-in units are designed for easy use across your home or office, ensuring an eco-friendly, hassle-free pest control solution that protects your space without disturbing your lifestyle.

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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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Age Range	Adult
Color	White
Size	6 Pack
Style	Classic
Material Type	Plastic
Number of Items	1
Number of Pieces	6
Power Source	AC
Usage	Parasites
Included Components	2 Micro, 2 Classic & 2 Macro plug-in pest repellers
Batteries Included?	No
Brand	Bell+Howell
Manufacturer	E. Mishan & Sons - Pet Products
Item model number	50102
Product Dimensions	8.13 x 5.08 x 8.89 cm; 390 g
ASIN	B0168895DK

Bell and Howell Pest Repellers

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