Stop barking with our newest, most powerful ultrasonic indoor bark control device to date. The Indoor Ultrasonic Barking Device will help you regain the peace and quiet that’s been disrupted by nuisance barking. This revolutionary device automatically detects and stops barking with special sound frequencies and works up to 5x further than our competition. When the Dog Silencer detects barking it immediately sends a high-pitched sound heard only by the dog. Using this proven method, dogs are safely and humanely discouraged from barking. Relax while the Dog Silencer quietly trains your dog. Our Indoor Ultrasonic Barking Device quiets any dog within 100 feet and works through walls. Powerful AC powered device so there is no need to worry about batteries. Complete instructions included. May be used outdoors as long as unit is protected from moisture.

Features:

• 3 built-in bark sensors + 1 XL ultrasonic loudspeaker
• Ultrasonic: Cannot be heard by humans
• Does not affect cats or other animals
• Material: Hard plastic
• Power Supply: DC 8.4V,500mA
• Power Adapter Input Voltage: AC 100V~240V
• Adapter Plug Included: US
• Size:12.6 x 7 x 4.5 cm
• Color: White