Anpro DC-25 330 Yards Rechargeable Remote Dog Training Collar with Beep, Vibration and Shock for 15 to 100 lb Breed Dog Vibration/Shock Electronic Electric Bark Collar Anpro Rechargeable Remote Training Collar is designed with RF434Mhz technology, range up to 330 yds 4 modes: static shock, vibration, beep and light. Fits 15-100 lbs dogs and collar sizes 7-27 inches Power saving and rechargeable battery saves you the hassle of constantly replacing batteries Convenience of operation, back-light LCD screen for easy low light condition viewing Attach prongs before using for your dog. The belt is made in high quality TPU materials