New Black Dog AntiBarking USB Ultrasonic Vibration Collar

Condition: 100% Brand New Material: Plastic + Nylon Size: Approx.6.7 * 4*3cm /2.64*1.57 * 1.18in Battery: Built-in 300mA battery Charging Method: USB charging Adjustable Diameter Range: 6-36cm Voltage: DC 5V Pet size: all size Features: With 7-level sensitivity adjustment, it is an efficient behavior modification tool that will help you train your dog to bark less. Can be easily charged with the USB cable. It's tinier, lighter and comfortable for dogs. Whether your dog is a small dog or a large dog our adjustable dog bark collar can fit them just fine. The collar is waterproof, no worry to use it even in rainy day.