STOP YOUR DOG’S BARKING - by using HARMLESS yet highly effective training methods – sound, vibration and gentle painless shock. EACH MODE CAN BE TURNED ON/OFF - to be used separately or all together. 7 sensitivity & intensity levels. RECHARGABLE AND WATERPROOF – an upgraded no bark collar with a USB rechargeable battery for up to 14 days of use and water resistance rating of IP56. FITS ALL DOG SIZES – an adjustable strap is provided with the no-barking collar to fit small, medium, and large dogs. FREE BONUS – training whistle and lanyard.