Stops All Challenges – 2.7x Faster Behavior Modification: Chewer? Digger? Biter? Chaser? More than an anti barking device, our indoor outdoor dog training tools leverage the newest patented NPS technology to grab your pets attention and stop them in their tracks. Squirrel! 3.3x More Effective Than Dog Bark Collar – Don’t subject your dog to the painful shock of a dog bark collar. NPS Ultrasonic Dog Barking Control Devices combine auto shut-off hearing safety with ultrasonic dog whistle to stop barking technology for happier neighbors, restful sleep and a well behaved pup! 1 Hour Rapid Charge – Long Lasting 60 Days Battery: 1000mAh bark control device charges fast and works hard – whether you’re using dog whistle mode, strobe mode, flashlight mode and 25 kHz ultrasonic training mode to modify behavior without stop.
