Feature:1. EFFECTIVE DOG REPELLENT: Utilizing high power ultrasonic technology, this device efficiently repels and drives away dogs, ensuring your safety and tranquility by keeping nearby dog groups at bay.2. BITE PREVENTION: Its design effectively prevents dog bites, protecting you and your family from potential harm caused by aggressive dogs.3. SAFE AND RELIABLE: It is safe to humans and pets, ensuring it does not cause any harm to dogs. It provides a reassuring protection for both you and your beloved pet.4. PORTABLE DESIGN: With its compact and lightweight design, this device is convenient to carry and can be used anytime, anywhere. It allows for effortless usage both indoors and outdoors.5. VERSATILE USAGE: This device serves multiple purposes as it not only repels dogs but also functions as a deterrent for cats and a barking control tool. It is an ideal choice for outdoor activities, walks, and even camping.Specification:Item Type: Ultrasonic Dogs ChaserMaterial: ABSBattery Type: Carbon Battery (6F22 9V) (Included)Nominal Battery Capacity: 800mAh.Package List:1 x 6f229v Battery1 x Dog Repeller