3 Training Modes The dog training collar contains three training modes, beep (0-100 level), vibration (0-100 level), beep & vibration. Adjustable intensity level, allowing you to train your dog with different levels at different stages. 3 Remote Channels The remote control of dog training collar provides three channels, which can control up to three dogs simultaneously using only one remote control. Remote Control Range Up to 2800 feet long-range remote control training collar allows you to take the dog out, when the dog stays in the garden, yard, beach and other places to achieve the ideal training effect. Safe and No Shock This dog training collar is very friendly to dogs. It achieves the training effect through beeping and vibration, which is more humane and will not hurt the dog without static stimulation. Rechargeable Remote and Receiver The remote control of the remote control training collar can work for about 180 days for 2 hours, and the receiver can work for about 25 days for 2 hours, which also depends on your frequency of use.