HUMANE TRAINING METHOD - Features 9 adjustable levels of gentle vibration and beep tones for effective, no shock dog training without prongs - perfect for sensitive dogs MULTI-DOG CONTROL - Single remote operates 3 receiver vibration collars simultaneously with 3300ft range, ideal for training multiple dogs in large outdoor spaces WATERPROOF DESIGN - Fully sealed receiver withstands rain, mud, and water activities, ensuring consistent training performance in all weather conditions EXTENDED BATTERY LIFE - Up to 20 days of operation per charge with included dual charging cable for convenient, uninterrupted training sessions UNIVERSAL FIT & SAFETY - Adjustable collar fits 8"-27" neck sizes for dogs 5-120 lbs, featuring reflective straps for nighttime visibility and security lock to prevent accidental triggers Enhance your dog training methods with our advanced No Shock Vibrating Dog Training Collar. Designed to make training a more enjoyable and interactive experience, our collar features 9 adjustable vibration and sound levels, allowing you to customize it to suit your pet's needs. The collar's waterproof design ensures safe use in any weather conditions and the long-distance remote control lets you recall your dog even from afar. This collar features three signal channels, meaning you can use one remote control with three receivers, perfect for households with multiple dogs. The collar's adjustable size makes it ideal for all dogs, from small to large, and it's also a suitable aid for training deaf dogs, making communication more effective. The vibration dog collar offers long battery life, sparing you from frequent recharges, while the inclusion of a dual charging cable lets you charge the receiver and controller simultaneously for ultimate convenience. The reflective strap on our dog training collar enhances visibility during nighttime walks, while the wrist strap ensures secure handling. The remote comes with silicone sides for an anti-slip grip and a comfortable feel. Experience the future of dog training with our no shock dog training collar, where effectiveness meets comfort and convenience. Your dog's better behaviour is just a vibration away!