SportDOG YardTrainer 100S Family Remote Trainers - Rechargeable, Waterproof Dog Training Collars with Shock, Vibrate, and Tone About The SportDOG Brand YardTrainer 100S Remote Trainer The SportDOG Brand YardTrainer 100 is designed for basic obedience training around the house, yard, or park - any situation where your dog is within 100 yards of you. It's a compact and discrete system packed with premium features at a value price. 100 Yard Range Designed for basic obedience training around the house, yard, or park - any situation where your dog is within 100 yards of you. Rechargeable Batteries With rechargeable lithium-ion batteries, this system features a 2 hour quick charge, lasting 50-70 hours per charge DryTek Waterproof Technology Using DryTek technology, this rugged system is waterproof and submersible to 25 feet, allowing it to perform in any weather or terrain. Static / Tone / Vibration The YT-100S can be customized to fit any dog's temperament with tone, vibration, and 8 static stimulation levels. This ''S'' model features a higher range of static stimulation than the YT-100 to fit high-drive, more stubborn dogs.