Mine didn’t come with a battery

They don’t come with batteries.

Does it hurt the dog?

No, not my knowledge. It works on small dog. It didn’t really work for large dogs.

Can this be used to train cat behavior?

I don't think cats hear the high frequency noise that this emits - so I would say no. Cats are usually able to be trained the best with treats.

My new dogs barks when i crate her to go to work, disturbing neighbors. can i set this unit to emit a sound to stop my dog from barking when i leave?

Yes you can. It works perfectly and after doing it a few times, your dog will know what is coming if he barks. Just show him your hand. That will do it. I used to have the same problem all the time even inside the house. NOT ANYMORE.

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OYEFLY Handheld Dog Repellent Trainer, 3 in 1 Anti Barking Device with LED Flashlight, Ultrasonic Dog Deterrent and Bark Stopper Dog Trainer Devices - Training Tool/Stop Barking (Black)

OYEFLY Handheld Dog Repellent Trainer, 3 in 1 Anti Barking Device with LED Flashlight, Ultrasonic Dog Deterrent and Bark Stopper Dog Trainer Devices - Training Tool/Stop Barking (Black)

Product ID: 256979643

📏12.8 x 4 x 2.8 cm

📡Range up to 9.8 feet (3m)

🔋9-volt battery required

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C$1593

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Sold byAmazon NicaraguaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🐾 Train, Deter, Shine - Your Ultimate Dog Companion!

SAFETY FIRST - Keep yourself safe from aggressive dogs while training.
USER FRIENDLY DESIGN - Simple operation ensures anyone can use it effectively.
COMPACT LIGHTWEIGHT - Easily portable at just 50g for on-the-go training.
TRAIN WITH CONFIDENCE - Transform your dog's behavior with this versatile training tool.
MULTI FUNCTIONAL MARVEL - Not just a trainer, but a deterrent against unwanted dog encounters.

The OYEFLY Handheld Dog Repellent Trainer is a compact, multi-functional device designed to train dogs and deter aggressive behavior. With a range of up to 9.8 feet, it combines ultrasonic deterrent technology with a handy LED flashlight, making it an essential tool for dog owners seeking effective training solutions. Lightweight and portable, this device is perfect for everyday use, ensuring safety and control in various situations.

Specifications

ASIN	B07NKD4LW8
Batteries Included	No
Best Sellers Rank	#46,458 in Pet Supplies ( See Top 100 in Pet Supplies ) #70 in Sonic Bark Deterrents
Color	Black
Customer Reviews	3.4 3.4 out of 5 stars (3,311)
Date First Available	1 May 2019
Item Weight	50 g
Number of Items	1
Package Dimensions	16 x 9 x 2.8 cm; 50 g
Quantity	1
Size	M
batteries required	No

Reviews

J**O

Not working

This product is not working. Just now I received but its not working already

27.02.2026

A**I

Ot working

Its not even work with cats

22.08.2020

E**.

No me gusta el producto

La verdad es que con mis perros no funciona bien.

4.09.2020

I**R

Works and does not work

Works on strays, did NOT work on home pets and trained dogs, same thing with stray cats, worked on them but not home cats... so, 50/50 in my case. Was great help to get rid of strays around the parking lot when we were abroad this summer in eastern Europe.

4.09.2022

J**S

Yappy dog no more...

It works i was very sceptical.... She stops barking immediately

23.10.2022

H**I

Not very effective and not dependable

Cannot depend on it to protect yourself if a street dog rushes towards you to bite . Found to be ineffective in case of some of the dogs. May be you can only use it to train your 0wn dog. Overpriced for the utility it provides.

4.02.2025

A**E

Super tolles Gerät, nur zu empfehlen

Also das ist der absolute Wahnsinn das Gerät. Habe 2 Hunde die mit Vorliebe alles anklaffen was bei 3 nicht auf dem Baum ist. Seid Tag eins mit dem Gerät, machen meine Hunde kein Theater mehr wenn wir fremden Hunden begegnen 😍😍👍Auch wenn es an der Türe klopft oder Klingelt ist es auf Kommando abzustellen. Kann es nur empfehlen, meine beide Hunde reagieren super darauf und musste es nur paar mal einsetzen. Mittlerweile zeige ich es nur falls die Hunde nicht so reagieren wie ich es möchte und sie bleiben sofort viel ruhiger als sonst. Tolles Gerät und endlich keine Kläffer mehr. Top

7.10.2020

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C$1593

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In stock

Sold byAmazon NicaraguaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Nicaragua.

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TrustScore 4.5 | 7,300+ reviews

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