3 Humanized & Adjustable Training Modes: Our dog shock collar features 3 humane training modes with adjustable beep(1-3 levels), vibration(1-3 levels), safe shock(1-16 levels) to suit every dog's temperament and accurately match your dog’s sensitivity. Allowing you to train dogs in accordance with their aptitude by choosing the best appropriate mode level, correcting bad behaviors such as barking, jumping, or leash pulling in time. Extended 4200FT Range & 2 Channels: Covers up to 4200FT range, which makes sure you can enjoy the training time with your dog in the backyard, the park, at the beach or anywhere else without any delay to receive signals. Fits Dogs 15-120lbs: The metal buckle design is easier to adjust than traditional straps. The shock collar fits neck sizes from 4.5 to 17.7 inches, accommodating large, medium, and small dogs. The lightweight design ensures a comfortable fit for your dog. IPX8 Waterproof Collar & Enhanced Safety: IPX8 waterproof, making it perfect for any weather—rain, mud, or water—ideal for training and outdoor adventures. The remote includes a safety lock and switch button for quick response, preventing accidental activation. The shock collar for dogs also features a built-in LED light for nighttime safety. Incredible Battery Life & Quick Charging: Remote control features impressive battery life, charging fully in just 2 hours via 2-in-1 USB. It lasts up to 35 days on standby and the remote up to 45 days.