Homdox Barking Control Training Collar with 7 Adjustable Sensitivity Control for Dogs, Sound Vibration or Shock, 3 Training Modes for Small Large Dogs 3 Training Modes: Dog Shock Collar with 0-7 Levels of customization for sound, vibration, and static shock, which will give an audible warning, which makes it guaranteed to have a stimulation that works for your dog. Protection mode, after working 7 times in a row, the collar becomes 1 minute automatic protection mode to avoid overstimulating the dog. All weather nylon web collar is impervious to rain, snow and temperatures up to 450 F degrees. Suitable for all breeds and sizes, Waterproof and light, even in bad weather, rain and light are ideal for indoor and outdoor use. Harmless and Effective: No Bark Collar is designed to shorten the training phase and promote good behavior. Your dog will be able to recognize that barking is not favorable because it is associated with a beep and a progressive vibration stimulus. Waterproof & Rechargeable Receiver: 100% waterproof dog collar receivers; Rechargeable transmitter and receiver can be charged at the same time, so your equipment is always ready to train Large-capacity battery, it can be charged within 1 hour, and it can last for 14 days after full charge. The dog training collar is remarkably easy to use with no setup required.