Please note, this item ships from an international seller. Expected delivery is 10-15 days. Features: You can drive the dog to produce super-strong ultrasound, which can make the dog escape quickly People can't hear it. Dogs and cats can hear it. When the dog hears the sound of ultrasound, it will become uncomfortable and thus away from people You can train the dog. This product can effectively stimulate the dog's nervous system, so that it can be guided by the owner There are infrared lights, you can let the dog follow, how to train to see personal hobbies Third, this product has three files, the first gear is the role of flashlight lighting; the second gear is to press and hold the lighting. The third gear is the ultrasonic and white light flash, this is used to train dogs and drive dogs. Specification: Material: ABS Colour: Black Size: 13.5X5.5CM Powered By: 9V battery (not included) Packing list: 1 x Ultrasonic Dog Pet Repelled Training Device Trainer Using an ultrasonic bark control device can effectively prevent barking by your or your neighbor's dog. Get a good night's sleep This dog Barking Stop device is Small and lightweight and Fit perfectly in your pocket, with a wrist strap, designed to be convenient to carry around with you This dog Barking Stop device is Small and lightweight and Fit perfectly in your pocket, with a wrist strap, designed to be convenient to carry around with you. Suitable for indoor use and walking the dog outdoors as well This dog barking deterrent comes with an adjustable wrist strap and a USB cable for recharging, besides, its control range is 16ft, very suitalbe for outdoor walking and training. Bonus 2 LED lights help you walking your dog leisurely at night It's one-button operation design. You only need to long press, the controller will emits an ultrasonic sound which can only be heard by the dog. Double click can help you turn on/off the LED lights