1. All-in-one dog training leash with integrated remote handle, combining daily walking and pet training. Equipped with 3 auto pull-sensing modes, it automatically activates correction when dogs lunge without frequent button presses.2. 3 manual training modes: Beep, Vibration and Static Shock. Vibration and static shock feature 1-9 adjustable intensity levels to gently fix pulling, barking and jumping behaviors, friendly for new dog owners.3. Ultra-long remote control range up to 3300 FT (1000 meters) for stable indoor & outdoor training. 4. The IP67 waterproof receiver is safe for dogs during rain, bathing and swimming.5. USB-C fast charging fully charges the device in 2 hours, supporting up to 60 days of daily use.6. Trimmable reflective nylon collar fits neck sizes 8-27 inches, suitable for small, medium and large dogs weighing 15-100 lbs.