Now you can know if your dog's been barking while you're away.

It's the Bark & Activity Counter.  How much barking and running around does your dog do when you’re away from home? This diagnostic tool can distinguish between abnormal or inappropriate behavior and normal barking. Worn around the dog's collar and can store up to 3,000 sessions (99 minutes each). After each session, the unit is connected to a computer detailed charts are provided, showing the time of day and the duration of each barking occurrence. Be aware that the dog wearing the unit should not be in close proximity of other dogs during sessions as it can interfere with results. And it’s not for use with dogs under 10 lbs, recommended for indoor use only. $71.00.

http://www.petsafe.net/products/bark-control/ultrasonic-deterrents/bark-activity-counter