【PIR Infrared Sensor】Our cat ultrasonic device is equipped with a PIR sensor An infrared sensor that emits signals continuously. When it detects a moving animal is within the detection range, it will automatically emit a sound wave frequency to lead the animal. 【Solar design and Waterproof IP44 】 This ultrasonic cat repellent can work in all weathers, its waterproof reaches IPX44. Its waterproof design allows it to work in all weather conditions such as rain, snow, ice and wind (do not soak in water). 【 Solar Charging】A solar panel is placed above the mouse repellent which can be charged by solar energy in the sun. Efficiently charged to maintain a long standby time all day, no need to replace the battery, energy saving and environmental friendly. Can work effectively all year round in almost all weather conditions. 【Easy Installation】The ultrasonic animal repeller comes with a pole that can be connected directly to the ground. Portable and small size design, it can be installed in
