Doggy Man's Manner Call, a training aid. It uses ultrasonic sound to help train dogs to stop unwanted behaviors like excessive barking, biting, pulling on the leash, and scavenging. This is a pet-friendly electronic training device with a switch to adjust the intensity. The sound is difficult for humans to hear, but easily audible to dogs. [Brand] Doggy Man [Category] Training Supplies [Condition] New, Unopened Since it is unopened, the operation has not been confirmed. Returns and exchanges are not accepted. Thank you. If you would like to combine this item with other items, please consult before purchasing. We will discount the price if it lowers the shipping and handling fees. This item is also listed on other sites, so it may be temporarily suspended or deleted. Please understand if the item is out of stock.