Upgraded Design - This solar ultrasonic animal repellent features state of the art ultrasonic technology which creates a powerful ultrasonic wave, accompanied at the same time by an alarm sound and LED flash lights. Drive awayunwanted animals in yourarea, garden, farm, etc. Perfect Choice - Tired of constantly dealing with animal intruders ruining your gorgeous lawn or veggie garden? Would you like to keep at bay stray animals and keep your family and pets safe? When the motion detector, detects a motion, it will triggerthe ultrasonic speaker to emit a high frequency noise which makes animals uncomfortable (but not affect humans),with alarm and LED flashing light, therefore, keeps them away from the protected area. Solar and USB charging - The animal repeller is topped with polycrystalline silicon solar panels that enhance the charging function and allow the device to work longer on a single charge. It can be fully charged after 4 hours of sunlight or 3 hours ofUSB charging, 3xAAA rechargeable large battery can work continuously for three days and can be used at night without worrying about running out of power. Fully Waterproof - Stronger water resistance design. The device uses a waterproof ring with stronger water resistance, allowing the device to be used in strong rain and snow. IP66 Waterproof design makes it keep working in any weather conditions. Easy to install - Point the product at the area you want to protect, select the desired mode, and insert it into the ground. It is designed with 2 hanging holes, the nails on the fixed unit can be hung on objects such as trees, fences and walls to ensurethe best results. This repellent has 120 degrees infrared sensor angle, detection distance ranges from 20-33 feet depending on animals size.