Petraha Dog No Bark Collar Electric Anti Bark Shock Control with 7 Levels Button Adjustable Sensitivity Control, Stimulation of No Harm Warning Beep and Vibration, for 15-120 Pounds Dogs ONE DAY SALE: We don't have an outstanding top star rating for nothing! That's because we believe in Quality 1st. You are protected with our 12-MONTH WARRANTY! PERFECT GIFT: Very thoughtful gift for anyone with a dog that barks a lot. They will thank you all year long. SAFE & HARMLESS BARK ELIMINATOR: Electronic Anti-Bark Dog Collar and Sends harmless warning sound and shock to the dog whenever it barks. Lightweight receiver, Replaceable 6-volt Battery and Low battery consumption, Effective on a 8 - 120pounds dog. TWO TRAINING MODES: Beeper and Static Shock. Electronic Anti-Bark Dog Collar and Sends harmless warning sound and shock to the dog whenever it barks. Delivers increasingly louder warning tones and shock corrections of 7 levels USER-ADJUSTABLE SENSITIVITY: Done according to your dog's barking and specific environments. Voice recognition minimizes false shock triggering!