【Safe & Effective】Woehraed dog training collar has 3 safe training modes, Beep, Vibrate, and Shock, to help correct your dog's barking, chewing, biting, chasing, jumping, digging, and other bad behaviors. 【Long Remote Range & 1+ 2 Channels】Training range up to 3300 feet. Plus, the dog training collar with remote has a 1+2 channel design and settings memory, meaning you can train two dogs at the same time to follow your commands and play happily in your backyard, park, beach, or anywhere else. 【Waterproof & Comfortable Collar】The IPX7 waterproof collar allows your dog to swim, shower, and play in the rain. The collar size is adjustable from 6 to 27 inches in length, suitable for all dogs from 8 to 120 pounds to wear comfortably. 【Easy & Safe to Handle】The clear digital screen and large buttons with three different icons allow you to become proficient in operation in minutes. At the same time, the safety lock setting of the remote control helps prevent misuse and avoid unnecessary electric shock to your dog. 【Long Lasting Battery & Quick Charging】Woehraed collar uses the latest lithium battery technology for longer battery life. In addition, a full charge takes only 2-3 hours, the receiver will last 7 days, while the remote battery will last more than 1 month.