ITEM NAME:Electric Pet Dog Anti-Bark Control Collar Vibration Training Collar Adjustable Product Description Description: Ultrasonic Dog Bark Stop Anti Barking Control ABS Collar Pet Dog Training Collar Features: Train your dog to stop barking with this control collar. On/off button. Trigger accurately by bark vibration (can not activate by other dogs barking). Audible: creates harsh buzz to stop barking. Ultrasonic: works by sending out an ultrasonic signal that only dogs can hear when activated by the barking. High / Low intensity buttons. On high intensity setting a softer bark will cause the unit to activate. On low intensity setting a more aggressive bark will cause the unit to activate. Red light working indicator. Adjustable stretch collar to fit different sizes. Specifications: Color: Black Material: ABS Size: approx. 17 x 5 x 11cm/6.69 x 1.96 x 4.33in Maximum Adjustable Range: approx. 50cm/19.68in Notes: Due to the light and screen setting difference, the color of the item may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Included: 1 x Anti Bark Pet Trainer.Audible: creates harsh buzz to stop barking. Included: 1 x Anti Bark Pet Trainer. Adjustable stretch collar to fit different sizes. Maximum Adjustable Range: approx. Red light working indicator. High / Low intensity buttons.