PRINCIPLE - Equipped with PIR sensor to detect movement, this ultrasonic fox cat repeller emits ultrasonic waves with flashing LED lights to effectively repel intruders like dogs, cats, minks, raccoons , badgers, foxes, etc. SOLAR CHARGING - A solar panel is placed above the scary cat repellent, which can be easily recharged and can be continuously charged with enough sunlight to meet daily consumption. Such an economical and eco-friendly way to save you lots of money. WATERPROOF DESIGN - This animal repellent has a weatherproof design that deters cats, dogs and mice against outdoor weather conditions difficult. However, if it rains too much, it is recommended to put it indoors. Wide range - The PIR infrared motion sensor has an angle of up to 110 degrees, a detection range of up to up to 8m away and activates the insect repellent to emit animal irritating high frequency sounds. Listen to it, humanely exterminate pests and animals. Portable and easy to use - just push the animal