Enhance your dog training experience with the Dogtra 280C Compact Remote Dog Training Collar. This multifunction collar is perfect for dogs of all sizes, from small to XXL. The collar offers various control methods, including vibration, static/shock, and ultrasonic, making it easy to train your furry friend with whatever method works best for them. The collar has an internal antenna system and is waterproof, so you can train your dog both indoors and outdoors. It also features a low battery indicator, remote control, adjustable shock levels, and is rechargeable for convenience. With the Dogtra 280C, you'll have everything you need to train your dog effectively.