√   The remote transmitter is small, flexible and simple to use.
√   The receiver collar is highly waterproof, so your pet can wear it and swim in the water.
√   It has 3 functional modes: static shock/vibration /sound.
√   Levels of vibration and static shock are adjustable, and a proper level has to be determined when you use this pet training
system for the first time, you are advised to try Level 1-100 gradually.
√   The remote distance is 500 yards(without any disturbance).
√   There are two signal channels on the remote transmitter, it can control two receivers of the same model.
√   Energy-saving design: automatic stand by model and memory functions.
√   This model is suitable for most large, medium and small-sized dogs.