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.

Specifications:
Condition: 100%Brand New
Material: Plastic+Nylon
Size: as shown
Battery: Built-in 300mA lithium battery
Charging Method: USB charging
Adjustable Diameter Range: 6-36cm
Voltage: DC 5V
Pet Size: All Size
Color: Blue

Packaging includes:
1 x Tactical Dog Collar
1 x USB Cable
1 x Manual