SMARTWOOD Bark Collar [2018 Upgrade Chip] Dog No Bark Collars with Vibration and Harmless Shock(Can Be Switched Off)-USB Rechargeable Anti Barking Device for Small Medium and Large Dog

[Human&No Harm]: Vibration and shock mode can be used separately, you can set a suitable level for different kinds of dogs. We suggest to only use the vibration mode for small dogs. [2018 Upgrade Smart Chip]: Our newly developed smart chip basically solves the problem that the traditional version is easily triggered by the barking of other dogs. [For All Size of Dogs]:7.9-23.6inch adjustable strap makes it suitable for most dogs between 15lb-100+lb. Make sure the strap fits your dogs tightly but not make it uncomfortable. [USB Rechargeable]: There is a USB cable(NO PLUG) came with the box, you can charge the small bark collar with your laptop or mobile phone adapter.This is a great investment for you to save money by buying batteries. [Warranty]: One year full warranty. You can get a full refund or replacement if you receive any defective items. Product Dimensions: 0.5 x 1 x 1 inches ; 0.32 ounces Item model number: D165 Batteries 1 Lithium Metal batteries required. (included)