This durable, adjustable hand strap helps keep your PetSafe Remote Trainer transmitter secure and easily usable during any training occasion with your dog. The strap fits snuggly on your hand or wrist while keeping the remote's buttons accessible, making it perfect for off-leash walking, running or hiking, or for adding hand gestures to your training sessions. Compatible with PetSafe Remote Trainer and Lite Remote Trainer 100, 300, 600 and 900 Yard Models.