Efficient dog bark deterrent with one-key operation, emitting ultrasonic waves to deter dogs and cats by creating discomfort, encouraging them to leave. Features BEEP mode for training through positive reinforcement. Designed for animals, emits inaudible ultrasonic waves to humans, stopping unwanted behavior. Made of high-temperature resistant ABS with flame retardant properties, ensuring safety, strength and durability. Compact and portable, lightweight handheld design, ideal for outdoor activities to prevent dog attacks and train public behavior. Product Details: Item Type: Dog Barking Deterrent Device; Material: ABS; Battery: 1 x Polymer Lithium Battery 450mAh (Included); Ultrasonic Range: Approx. 5m/16.4ft (Stable, Undulating, Irregular Sound Waves); Gross Weight: Approx. 80g / 2.8oz. Package Includes: 1 x Dog Barking Deterrent Device, 1 x Instruction Manual, 1 x USB Cable. Color as shown.