Humanely silence your dog's annoying barking without painful, anxiety-causing shocks. Dogbark Intelligent no bark dog collar uses Painless sound and vibration stimuli to deter unwanted, annoying barking. ✅No shock unit detects movement of your dog's vocal chords. It then emits Audible warning beeps that are followed by vibrations if the barking continues. Your dog will quickly and easily associate these with his barking. ✅Universal size is adjustable for your dog's neck. Suitable for all breeds and sizes, This anti bark collar can be worn indoors and outdoors for training consistency. ✅All-weather nylon web collar is impervious to rain, snow and temperatures up to 450 F degrees. Dual-retention plastic buckle requires 2 points of pressure to unlock, ensuring that the collar remains on your dog.