SPORTDOG BRAND YardTrainer 105S-C Remote Dog Training Collar

Safe, comfortable, and effective for dogs over 3.6 kg
Consistent, correct use of this product allows you to reinforce commands and correct misbehaviour from up to 100 metres
The remote transmitter sends a signal, activating the collar receiver to deliver a harmless stimulation
With proper training, a dog will learn to associate this signal with a command
Adjustable static stimulation levels so you can tailor the stimulation level to your dog's temperament, eliminating the risk of over-stimulation
For large or stubborn breeds - Waterproof receiver and water resistant transmitter - 8 levels of static stimulation - Tone stimulation option
Replaceable lithium batteries (included)