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Behavior correction on-demand, anywhere you need it. Stop barking, jumping, and other unwanted behaviors.

Training Made Simple

All dogs are good,
but they are even better when trained.

Your dog wants to be good, they just don't always know how. Unwanted behaviours can be frustrating and even embarrassing. The best way to stop them is to train your dog. You might say ‘easier said than done,’ but OnGuard makes it easy.

It lets you give your dog instant feedback, right when the bad behaviour occurs. This gives you control of the situation so you can train, treat, and repeat your way to a better relationship with your four-legged friend.



OnGuard is great for training your dog any place, any time. It emits a high-pitched tone specifically targeted for a dog's hearing range. Most humans can't even hear it. Don't worry though – there's an indicator light that shows you its working. Use the ultrasonic function to deter your dog from unwanted behaviours like barking or jumping on the furniture.

Dog sitting obediently on walk as his owner holds the OnGuard.

No-Shock Trainer

Instead of shock OnGuard uses a humane, high-output ultrasonic sound to stop barking and other behaviours.

Safety Alarm

Loud, pulsating safety alarm.

Additional Feature

Brilliant LED Light

Convenient torch for when you're out at night with your dog.

Where to Use It

Bring it with you anywhere you take your dog. Toss it in your bag, backpack, purse, or pocket. OnGuard dog trainer is always ready to help, at home or on the go.

Train your dog to stay off the couch or quit digging in the bin.
Stop your dog from digging in the garden, or barking at the neighbours through the fence.
Teach your dog to behave himself while walking on a leash.

How It Works

Every time your dog does something naughty – barking, jumping, leash pulling, etc. – simply point OnGuard at him and press the bottom button. The ultrasonic tone will be irritating enough to distract him and stop his bad behaviour, but without causing any harm. As soon as he stops, give lots of praise and maybe a treat!

For best results, the training device needs to have a clear line of sight with the dog(s) you wish to train.

Ultrasonic Sound

The star feature of the OnGuard allows you to simply point the device at your dog and push the button. He will hear a sound that you don't and he wont be fond of it. With time, your dog will learn that if he doesn't want to continue hearing this sound, he needs to be a good boy.

Safety Alarm

Ever been in a shady situation? With the OnGuard, next time you feel you are in danger you can simply press the panic button. A loud, pulsating alarm will sound and will not turn off until you tell it to.

LED Light

The OnGuard's high-powered torch may just be the best you've ever owned. With 4,800 lux at 0.3 m, this is one bright light. Use it while taking your dog out for his midnight potty break or simply use it for DIY projects around your home.

60-Day Money-Back Guarantee

Risk free. Your problem will be solved within 60 days or we'll happily refund the product price.

Video: See OnGuard in Action

Meet Logan. He's a very active, loyal, and smart (sometimes too smart) German Shepherd. He is very friendly but loves to bark every time someone rings the doorbell, knocks on the front door, or passes by the front window. This video demonstrates how OnGuard can be used to help stop barking at the door.

Details and Specs

Ultrasonic Sound
DistanceUp to 15.2 m
Decibels+105 at 1 metre
Secondary Features
Panic Alarm dB+105 at 1 metre
Torch4,800 lux at 0.3 m
After Purchase
ManualPDF [532 KB]  
Warranty1-Year manufacturer's warranty
60-Day Money-Back Guarantee
Additional Info
Battery Type4 “AA”
Device CoatingDual Rubber

What's Included

  • OnGuard™
  • Lanyard Attachment


  • What is ultrasonic sound?

    Ultrasonic sound is above the hearing range of humans, but is attention grabbing and irritating to dogs. This makes a safe and effective tool for dog training. It takes your dog's focus off of barking and towards the high-pitched sound.

    Related Post:  The Science of Sound Waves

  • Can I use this to train my puppy?

    Due to the powerful nature of this product, we do not recommend it for use on puppies under 1 year of age as they are still developing their hearing.

  • What's the blue light on top for?

    The blue LED light on top of the unit indicates the ultrasonic button has been pressed and ultrasonic sound is being emitted.

  • What is the range?

    The ultrasonic frequencies can be heard by dogs up to 50′ (15.2 m) away.

  • Will this work on dogs in other rooms or on the other side of a fence?

    Ultrasonic sound cannot travel through solid objects like walls or solid fences. Make sure OnGuard is in clear line of sight of the dog you wish to train.

  • Will this hurt the dog?

    No. Although the ultrasonic sound emitted by OnGuard is a great tool for training, it is physically harmless to dogs.


Protection Plans

2-Year Protection Plan

No manufacturing defects for 2 years or we will replace it hassle-free!
$4.95 USD

3-Year Protection Plan + Accident Coverage

3 Years of protection not only from manufacturing defects, but also a free “oops!” replacement as well!
$7.95 USD