The Jugbow Dog Shock Collar boasts a 4200 ft remote-range, waterproof receiver (IPX7/IPX8 depending on model), and four training modes (beep, vibration, safe static shock, shock-boost) that cater to dogs of all breeds from ~10 lbs to ~120 lbs, making it a versatile option for both indoor obedience and outdoor off-leash training.
