Smart Automatic Anti Barking Dog Collar HD Digital Display IP67 Waterproof for Rechargeable Bark

Smart Automatic Anti Barking Dog Collar HD Digital Display IP67 Waterproof Collar For Dog Rechargeable Bark Stopper Stop Barking Features : No remote control! Principle of barking prevention The collar is triggered by dog barking,a sound sensor built in the collar, featuresare triggered while the sound sensorreceive barking. Turn On/Off the Collar 1. Long press the Power Button for 2 seconds to turn on the device, hearing a bi~ sound. 2. Long press the Power Button for 2 seconds again to turn Off, hearing Bi~bi~ sound. 3. Turn the device on, the device is Locked status, Long press the Lock Button for 2 seconds to unlock it. Note : If no operation in 5 seconds, the device will go in to Lock status automatically. 3 Training modes: A. Sound B. Sound+vibration C. Sound+shock