The Slopehill Dog Training Collar 3 Modes IP68 Waterproof Collar Model #880 is a versatile and effective tool for training dogs of all sizes (S, M, L). With vibration and static/shock control methods, this collar allows for customizable training techniques. The waterproof feature makes it suitable for outdoor use, and the rechargeable battery ensures longevity. The remote control allows for convenient operation, and the adjustable shock levels provide flexibility in the training process. Made in China by the reputable brand Slopehill, this dog training collar is a reliable and user-friendly option for pet owners.