Ultrasonic Anti-Barking Dog Collar- NEW - NOT a shock collar! - Train your dog to stop barking. - Ultrasonic and audible mode selections. - Audible: creates a harsh buzz to stop barking. - High and low modes ( high for big dogs, low for small dogs) - Dogs quickly learn that their barking causes this irritating sound and stop barking to stop the noise. - Ultrasonic: works by sending out an ultrasonic sound that only dogs can hear when activated by the barking. - Adjustable stretch collar to fit different size dogs - Trigger accurately by bark vibration (can not be activated by other dogs barking). - Red light working indicator. - fits all sizes of dogs, very adjustable - batteries included, uses 2 - AG10 batteries - these great, using them to train my dogs - fits any size dog...small to very large - etransfer payment only with safe, contact free delivery to your mailbox - can deliver to Regina