Using the PetSafe 100 M Lite Remote Trainer you can easily improve the communication between you and your dog. The remote sends a signal activating your dog's training collar. With three training options, tone, vibrations and static stimulation, you can ensure you will have a well-trained dog in no time. The 100 Meter Remote Trainer is particularly suited for small to medium dogs - great for around the house training. The system includes training collar with adjustable nylon strap, digital remote, long and short contact points, USB charging cable, test light tool and quick start guide.