Search query: ultrasonic dog whistle

Product: Hoont Electronic Dog Repellent and Trainer with LED Flashlight/Powerful Sonic + Ultrasonic Dog Deterrent and Bark Stopper + Dog Trainer Device/Protect Yourself from Aggressive Dogs
Brand: Hoont
Relevance: Substitute
Protect yourself from aggressive dogs with the Hoont Ultrasonic/Sonic Dog Repellent. Choose between a high-pitched ultrasonic sound that's inaudible to the human ear but highly irritating to dogs, or a sonic sound that is also audible to humans. Effectively stops barking and threatening dogs from up to 50 feet away.

Deter unwanted behavior such as digging, chewing on furniture, jumping on guests, or barking. Dogs will learn to stop barking and all other unwanted behavior by associating disobeying with getting bombarded with this harmless sound.

This device does not harm the dog. No liquid propellant is used; thus being the most humane way to protect yourself from aggressive dogs. Also never worry again of blowbacks or getting some liquid leaks onto your body.

Features a powerful six (6) bulb LED flashlight. Flashlight will also blink when using the sonic option to scare the dog and increase the dog repelling power.

The Hoont Electronic Dog Repellent features installed rechargeable lithium batteries; no batteries needed. Recharges via USB cable (Included).

Protect yourself while walking, cycling, jogging, skateboarding, etc. with this handy device.
Dog Repellent features an ultrasonic and sonic sound option with a 6 bulb LED light
Dogs will learn to stop barking and all other unwanted behavior by associating disobeying by getting bombarded with harmless sound.
This device does not harm the dog. No liquid propellant is used; thus being the most humane way to protect yourself from aggressive dogs.
Effectively stops barking and threatening dogs from up to 50 feet away. Protect yourself while walking, cycling, jogging, skateboarding, etc. with this handy device.
The Hoont Electronic Dog Repellent features installed rechargeable lithium batteries; no batteries needed. Recharges via USB cable (Included). Features a belt clip and a hanging belt; also fits comfortably into your pocket. Size: 5" W x 1.5” H

Product: Dog Dazer II Ultrasonic Dog Deterrent
Brand: Dazzer
Relevance: Substitute
DAZER Features: -Ultrasonic dog deterrent. -Made of lightweight high impact plastic. -Uses the latest ultrasonic technology. -Produces a discomforting but not harmful high powered sound. Correction Method: -Ultrasonic. Product Type: -Bark Control. Range: -0-200 Yards. Dog Size: -X-Small (10 Lbs Or Less)/Small (10 - 25 Lbs)/Medium (25 - 50 Lbs)/Intermediate (50 - 75 Lbs)/Large (75 - 100 Lbs)/X-Large (100 Lbs Or More). Pet Category: -Dogs. Color: -Blacks & Grays. Dimensions: Overall Product Weight: -0.35 Pounds.
Helps Prevent Dog Attacks
A Handheld Ultrasonic Dog Trainer, Repel Dogs