This repeller can be widely used in lawn/garden/yard/farm to repel mouse, dog, cat, ect. No chemical and non-radiation, safe to use, no harm to human body and the environment. Features: Made of fine quality material, anti-corrosion, strong durability and long service life. Equipped with solar panel, it is powered by solar energy during daytime, no need any electricity, environmental-friendly and energy saving. Safe and reliable, noiseless, no chemical and non-radiation, no harm to human body and the environment. Water-resistant, it can even work on rainy days, properly suitable for outdoor use. Very effective to repel dog and cat. Easy to install, no wiring needed, just insert the repeller into the lawn. Widely used in lawn/garden/yard/farm, etc. Specifications: Model: WH-510 Material: ABS Solar panel: 5.5V Battery-capacity: 300mAh Effective range: 6-8m Working frequency: 400Hz-1000Hz Ultrasonic time: 30-40s  Item size: 367 * 143mm / 14.45 * 5.63in Package size: 154 * 145 * 72mm / 6.06 * 5.71 * 2.83in Package weight: 333g / 11.75ounces Note: 1.Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. 2.Please allow a little deviation due to the manual measurement. Packing List: 1 * Animal Repeller 1 * English User Manual