Portable ultrasonics dog repeller integrates dog repelling, dog training and illumination, practical and cost-effective. Built-in battery, easy to use anytime and anywhere, ensuring your safety. Specifications: Color: Black Material: ABS Voltage: 5V Power: 1-3W Frequency: 25KHz Battery: Built-in 950mAh Lithium Battery Application Distance: 15m/ 49.2ft Item Size: 50 * 26 * 125mm/ 2.0 * 1.0 * 4.9in Item Weight: About 83g/ 2.9oz Package Size: 125 * 50 * 42mm/ 4.9 * 2.0 * 1.7in Package Weight: 120g/ 4.2oz Packing List: 1 * Dog Repeller 1 * USB Cable 1 * Manual