UOSIA Electric Dog Training Collar Waterproof Dog Bark Collar Pet with Remote Control,Black

3 training modes: shock/vibration/sound. The vibration and shock levels are adjustable from 1 to 99, it is recommended that you try the levels step by step to find the right one when you first use this pet training system. Long distance remote control: Long distance 800m (without any interference) without any delay to receive the signal, no more yelling, help to train your dog easily outdoors or in the backyard. Fully waterproof design: The receiver is super waterproof, so your pet can swim with it or walk in the rain. Adjustable collar size: the maximum adjustable length can reach 67cm, suitable for dogs of all sizes. 3 channels: with 3 dog collars, 3 signal channels on the remote transmitter, which can control 3 receivers of the same model. You train 3 dogs separately using the same transmitter.