Same features as Yard Trainer SD-105, but intended for larger and/or stubborn dogs. The YardTrainer SD-105S is designed especially for tougher or stubborn dogs, and is the perfect choice for basic obedience training around the house or yard.

Features

• For Stubborn Dogs
• Low Battery Detect Feature in both Transmitter and Receiver
• 100 Yard Range
• Transmitter and Receiver Feature Replaceable Lithium Batteries (included)
• Waterproof Receiver
• Water Resistant Transmitter
• Basic Training instruction with Pro Trainer Charlie Jurney (included)
• 8 Levels of Stimulation
• Tone Button
• Lifetime Limited Warranty