General description Is your four-legged friend barking too much? An anti-bark collar can help your dog stop barking, allowing you to receive visitors with peace of mind and enjoy a good night's sleep. This adjustable self-learning collar uses vibrations and beeps to train your dog to reduce excessive barking. Technical specifications 7 sensitivity levels Training modes: sound and vibration Suitable for dogs weighing between 6 and 120 lbs Collar length: 72 inches Material: ABS Battery: One LR44 6V battery Installation Lightweight and compact design for easy use Adjustable nylon attachment collar (without holes) to fit smaller animals Usage Use sound and vibration mode to train your dog The first two triggers are audible warnings; the third trigger includes a slight vibration Adjust sensitivity according to the size of the barking sound Replace the battery promptly when low to ensure proper functioning Other information Waterproof and suitable for indoor or outdoor use in all weather