Features: 1.Receiver collar is highly waterproof 2.Range: 500 yards(without any disturbance). 3.Receiver belt length:65cm , for most large,medium and small-sized dogs. 4. 3 functional modes: static shock/vibration /sound. 5.Levels of vibration and static shock : 1-100 LV adjustable 6.two signal channels on the remote transmitter,it can control two receivers of the same model. 7.Energy-saving design:automatic stand by model and memory functions. Important Notice: The Remote Transmitter is non-waterproof, please do not submerging the remote in water, it will cause damage. Package included: 1 x Remote Transmitter 1 x Collar receiver 1 x Usb Charge cable 1 x Adjustable belt 1 x Introduction