About this item [Easy to Use] Insert into soil or hang over objects such as trees, fences and walls for best results (direct sunlight is recommended). Easy to install, only need to assemble accessories before use. [Effective] 5 different sensitivity modes that you can set according to your needs, different sensitivity can work effectively on different animals, and you can set the levels to fit range area, to scare the dogs, cats, wild boars, mouse, birds and more other animals away from your zone, house, garden, or yard more. [Solar Energy &USB Charging] There are two charging modes to choose from . It has solar panels and a charging indicator. Please charge the device before use. [IP-4 Weatherproof (ordinary rain)] Perfect for gardens, courtyards, farms, etc. Waterproof to IP-4, the rugged hard plastic construction resists rain, snow, ice and wind, and you can use them anywhere in weather conditions and still work 100%. (Reminder: Do not touch the charging port when working). [ Safety & Human Design] The Solar Dog deterrent simply drives the animals out of the garden, without any chemicals. No chemical hazards to human health, passive infrared sensors (PIR) detect movement and trigger, then ultrasonic speakers emit noise to scare away common outdoor animals.