General description The 3 in 1 Handheld Ultrasonic Dog Bark Stopper is designed to effectively train dogs, deter unwanted barking, and provide a bright LED flashlight for evening walks. This portable device uses ultrasonic sound to stimulate dogs without harming their health, making it a safe option for both pets and humans. Technical specifications Material: ABS Power Source: 9V Battery (Not Included) Maximum Control Distance: 16.4 ft (5 m) Sound Frequency: 25 kHz Dimensions: 4.7 x 1.6 x 0.9 in (L x W x H) Usage Press the button to emit ultrasonic sound, no additional tools required. Can be used to train dogs to stop unwanted behaviors such as barking, digging, and chewing. Effective for various dog breeds including Shepherds, Poodles, and Chihuahuas. Other information Equipped with an anti-static wrist strap for convenience. Includes a lanyard for easy carrying during activities like jogging, walking, or cycling.