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. Its a compact and discrete system packed with premium features at a value price. Built with DryTek technology, the YT-100 is waterproof and submersible to 25\’ Its rechargeable and offers three stimulation types: tone, vibration and eight levels of static stimulation. Each stimulation type has a dedicated button, allowing you to easily deliver the stimulation that best fits the situation and your dogs temperament. This intuitive design makes operating the remote a breeze, so you can focus on whats important: your dog. Simplicity Packed With Premium Features The YardTrainer family features the the best bang for your buck when it comes to training your dog. These single-dog remote trainers are packed with the features you expect from SportDOG Brand in shorter range offerings. Feature Range – Designed for training around the house, the YT-100 features 100-yard range Rechargeable – Built with lithium-ion batteries, this system features a 2 hr quick charge and low battery indicators Static / Tone / Vibe – Tone, vibration, and 8 static stimulation levels allow you to customize training Drytek Waterproof – Using DryTek technology, the remote and collar are waterproof and submersible to 25\’ Stimulation Range 8 instantly selectable static stimulation levels available from the remote. Multiple Stimulation Types Customize your training with multiple stimulation options. The YT-100 offers: Continuous Static Stimulation Tone Vibration Single-Dog System This system is not expandable to train multiple dogs with additional collars. Dog Size For dogs 8 lb or larger with neck sizes 5\” – 22\”. Batteries Rechargeable lithium-ion batteries charge in 2 hr. Low battery indicators featured on both remote and collar. Remote Transmitter lasts 50-70 hr per charge Collar Receiver lasts 20-25 hr per charge What\’s in the Box? Remote transmitter Receiver on black 3/4\” collar strap Adaptor Standard contact points (installed) Long contact points Test light tool Lanyard Replacement mud plugs Operation manual Basic training manual Specifications Receiver without strap -2-5/8\” L X 1-1/4\” W X 1-1/4\” D Remote Transmitter with antenna – 5-1/4\” L X 1-3/4\” W X 1\” D Product Manual