TRAINING FREEDOM: Experience the ease and freedom of training your dog with the SportDOG Brand YardTrainer 100. This sport training collar is perfect for basic obedience training around the house, yard, or park, ensuring your dogs are well-behaved and safe, even when they're not on a leash. CUSTOMIZABLE TRAINING: The SportDOG Brand YardTrainer 100, allows you to customize your dog's training with a choice of vibration, tone, or 8 levels of static stimulation. This dog training collar tailors the training process to your dog's unique needs, making it more effective and enjoyable for both of you. WATERPROOF DESIGN: The SportDOG Brand YardTrainer 100, keeps the fun going, even in the water, with its waterproof and submersible design. Built with DryTek technology, these shock collars for dogs can withstand up to 25 feet of water, ensuring the collar continues to work effectively, whether your dog is splashing in the lake or caught in the rain. RECHARGEABLE BATTERY: The SportDOG Brand YardTrainer 100, you'll never worry about running out of battery at a crucial moment thanks to its lithium-ion, rechargeable batteries. This e-collar features a 2-hour quick charge, ensuring the collar is always ready when you need it, and a low battery indicator to let you know when it's time to charge. VERSATILE FIT: The SportDOG Brand YardTrainer 100, a versatile training collar, is designed to fit a wide range of dog breeds and sizes. This dog training collar is adjustable for dogs weighing 8 pounds or larger with neck sizes ranging from 5 to 22 inches, ensuring a comfortable and secure fit, regardless of your dog's size or breed. US-BASED CUSTOMER CARE: Features 1-year warranty and a locally based Customer Care Center available to answer any questions