Ultrasonic training device for dogs, collar-free

This remote control uses ultrasounds to reinforce the orders you want to teach your dog. Using the remote control, you can warn and correct your dog by pressing a button. No receptor collar is required to operate this device. Created to better monitor your dog's learning, this PetSafe product is ideal for helping your dog master basic commands and discouraging bad habits. Technical Details Range: 10 meters. Works without a collar. Has a "positive" and "negative" sound button to reward the dog's good behaviour. Works with 9-volt alkaline battery.