Train your dog to stay close with the SportDOG Brand YardTrainer 100S Remote Trainer for Stubborn Dogs. The tone, vibration and 8 levels of static stimulation correction allow you to find the best method that works for your dog, and the no-look transmitter lets you switch between functions with ease. This collar has an effective range of 100 yards and DryTek™ technology for submersion up to 25 feet.