Is your dog constantly barking? This Dog Training Collar is a safe, effective way to train your dog. Fits dogs of all sizes! Includes remote transmitter with sound, shock or vibration modesMade of high quality ABS plastic, waterproofAdjustable static level from 0-991 remote can support up to 9 dogs for trainingRemote range of 330 yardsLock position safeguards against accidental shocksLong battery life; USB charging cord includedCan be recharged on your PC, laptop, phone charger or power bank