If it does not stop your dog's Excessive barking, send it back -  No Questions Ask - 100% Refund - 30 Days Money Back

√   The digital tube shows the gears of vibration, shock, and sensitivity
√   Waterproof and Rechargeable
√   The item use built-in rechargeable battery, 1-hour charging can keep using for 14 days.cost-saving.
√   1-7 Level Sensitivity adjustable.
√   0-7 gears you can choose to adjust the vibration/Shock
√   Automatic protection, an auto-sleep mode in 1 minute, energy saving.
√   74 cm nylon collar and advanced design, small size and easy for dog wearing.
√   Effective on dogs from 10 to 120 pounds.
√   Smallest size and lightest weight dog bark collar on the market.

For the first time - 4 Options configurations available.  If you don't need to use the chock function, turn it to 0 and use only vibrate and sound corrections

LCD Display

Whats in the Box?

For regulations, please see the RSPCA link for state laws - 

https://kb.rspca.org.au/knowledge-base/is-the-use-of-electronic-dog-collars-legal/