OYEFLY Handheld Dog Trainer, 3 in 1 with LED Flashlight,Bark Stopper Dog Trainer Devices Training Tool/Stop Barking(Black)

【Adjustable Frequency Technology & 2 In 1 】- POIIOPY dog training device can emit the high-pitched ultrasonic sound of different frequencies, which can avoid becoming immune to a certain frequency ultrasonic sound after a long time of adaptation and no longer respond to it, so you can use different sound waves alternately in each period of time. Use the BEEP MODE before each use of ultrasound mode, so that some dogs can be conditioned to reflect, and they will react after hearing the BEEP sound.
【SAFE TO YOU & YOUR DOGS】 – Unlike other electric shock dog training tools, POIIOPY ultrasonic anti-bark device uses the latest ultrasonic tech with Variable frequencies at 22-25KHZ. The sound does not affect humans, but can easily grab the dog’s attention and stop their bad behaviors. Every time your dog makes mischief, simply LONG press the button (the effective range is 16.4ft / 5m) and point the ultrasonic dog training device directly at the dog.
【EFFECTIVE DOG BARK CONTROL DEVICE】- POIIOPY ultrasonic bark control device provides a safe and effective solution to assist owners in controlling unwanted barking and stop some bad behaviors of dogs, such as excessive barking, digging, chasing, eat something dirty or fighting, etc. Works well on many sizes of dogs (except dogs under 6 months and aggressive dogs).

Anti Barking Device: 2-in-1 ultrasonic Dog Trainer is a professional device for Dog Training and Dog Bark Control. The ultrasonic emitted by the Ahwhg bark control device can attract the attention of dogs and help prevent dogs from barking, digging, scratching, biting, climbing on furniture and other unwelcome behaviors. (For the best training results,please ensure continuous use for more than one week)
Two Safe and Effective Frequency: This bark control device can emit 25KHZ fixed frequency and 30KHZ variable frequency, which humans won’t receive but it works for dogs. The dog whistle to stop barking has no shock, no vibration, no noise,no touching the dog’s skin, nor will it affect the dog’s hearing,so harmless to dogs. Suitable for small medium large dogs.
Powerful and Easy To Use: Ahwhg dog barking control devices not only trains your dog, it also stops other dogs from approaching you while walking, jogging or biking. Just press the button and point the device at the dog while the dog is barking or approaching you, and the dog will stop their bad behavior. Quadruple tap to switch between the two frequency modes.