PATPET Shock Collar for Large Dog - 3/4 Mile Range E Collar - Waterproof Rechargeable Dog Training Collar with Remote

2 channels and 3 training modes. Designed for professional trainers to train stubborn dogs, supporting simultaneous control of 2 dogs.
3/4 mile range, IPX7 waterproof. Train your dog indoors and outdoors easily and freely, or for hunting with close-working dogs, no-worry about malfunctions when it is in water
Rechargeable, long battery life. With two-hour fast charging, the collar receiver can last for more than 11 days, suitable for outdoor training
For 15 to 140 lbs dogs. Adjustable collar belt (8.8 to 23.7 inches) made of TPU material is more durable and comfortable to wear. Great for medium large dogs
P collar 920 electric shock collar for medium dogs includes a black toolbox storage case, convenient to carry and easy to store