4 in 1 Dog Bark Deterrent Devices with Functions Display Panel, 2500 mAh Type-C Rechargeable Anti Barking Device for Dogs, Ultrasonic Dog Training Device up to 35 Ft Effective Control Range is up for auction in Pet Supplies. The current bid is $5.00, 83% below the $30.00 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.