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 Chaser Material: ABS Battery Type: Carbon Battery (6F22 9V) (Included) Nominal Battery Capacity: 800mAh. Package List: 1 x 6f229v Battery 1 x Dog Repeller