2018 UPGRADED INTELLIGENT CHIP: The new intelligent barking vibration detection has replaced the sound detection chip to prevent false triggering. With the new chip, only your dog's barking can trigger the bark collar while other dogs' barking will not trigger it. SAFE FOR ALL DOGS OVER 6 LBS: Whether you have a cute small dog, a lovable large dog or any size dog in between, our adjustable barking collar can fit them with ease. Get peace of mind and some peace and quiet with our training bark collar to quiet your barking dog. SAFE AND EFFECTIVE: Our bark collar is humane and harmless. The Peachy Paws bark collar has 7 levels to adjust sensitivity and 3 training modes – sound and static shock. You can use them all together or separately. Choose a suitable sensitivity level and suitable mode for your dog and effectively stop barking with no harm to your dog RAINPROOF & RECHARGEABLE: No batteries needed, simply plug the bark collar with the included USB cord into your laptop or mobile phone adapter. It could not get easier with this eco-friendly bark collar. One charge will last 14 days. Another bonus, the bark collar is rainproof, so you and your dog can enjoy rainy day activities bark free. SATISFACTION GUARANTEED: If you have any issues with your bark collar, please feel free to contact us!