【Comfortable and Adjustable Dog Collar】 The dog collar is made of nylon woven fabric, very comfortable for your dog to wear; 71cm long strap and the adjustable buckle make it suitable for most large, medium or small dogs. 【3 Safe Training Modes & 3 Channels】 No shock design , the dog training collar offers 3 harmless training modes (sound, vibration, sound + vibration) to help correct dogs’ uncontrollable bad behaviors, and each mode supports 100 levels of adjustable strength. 3-channel design allows you to train 3 dogs by one remote controller at the same time.(Extra dog collars need to buy separately) 【IP67 Waterproof Electronic Dog Collar】 The dog training collar receiver is IP67 waterproof, you don’t need to take it off when your dog has a swimming, which offers the maximum flexibility to your dog during outdoor activities. 【Built-in USB Rechargeable Battery】 The receiver and remote controller both have built-in lithium battery that can be recharged by the provided USB cable at
