Pet Dog Repeller Double Anti Barking Stop Bark Training Device Trainer LED Ultrasonic 3 in 1 Anti Barking Ultrasonic No Battery
Description Easy to Operate,train all Kinds of Dogs such as that are Used as Pets, in Police and for Shepherding. Material:Plastic Color:Yellow Size:130*26*40mm Weight:64g 
Battery( not include!!!)
Please pay attention: you need install the 9V battery. Also, The following conditions do not drive dogs well: 1. The dog you own, because it knows that the owner will not hurt it, 2. Noisy environment, such as downtown or roadside
3. Dogs with the owner-dog-dominant, trained large dogs-well-trained
4. When the battery voltage is too low-the transmit power is low.
The above situation will not affect the use of this product, because your own dog, dogs who often shop, dogs with the owner and well-trained dogs will not bite randomly, Note: Do not deliberately tease the dog with the dog drive, because it is not surprising that the dog listens more.