Usage Tips:Scare Wild Animals: This insect repellent uses state-of-the-art PIR technology to ward off wild animals, birds and pests within a 110 radius up to 8m away! Just to get rid of it and not kill animals.Adjustable Frequency: Through manual adjustment, 5 different frequencies of HZ can be output. With different frequencies and bright lights, you can basically get rid of all the animals you hate.Solar and USB Powered: Charging the ultrasonic repeller is so easy! You just need to plug it in with the USB cable or put it in an open and sunny place, it will keep working soon.Waterproof Design: Features solid construction and waterproof design. Animal repellent can be left out in all weather conditions. Perfect for protecting your farm, garden, yard, lawn, patio, garage from unwanted animals and pests.Easy Setup: This ultrasonic repeller is ready to go out of the box. Just put it in the ground or hang it by a nail! Turn it on, adjust the frequency and sensitivity level, and let the device do the work for you.Product Ultrasonic Outdoor Animal Repeller SETUP - Sensitivity button (right): you can adjust the sensitivity of the item. By turning the knob clockwise, the detection distance will be increased. - "Frequency" button (left): it is used to control the frequency. By turning the knob clockwise, you can choose the operating frequency band. "Frequency" button position as below: 0:OFF 1: 13.5KHZ-20KHZ to repel animals such as mice, rats, dogs, foxes, martens, etc.; 2: 15.5KHZ-25KHZ to repel animals such as cats, raccoons, badgers, skunks, etc.; 3: 25KHZ-34.5KHZ to repel animals such as bats, birds, rodents, etc.4: Powerful flashing lights to repel animals such as raccoons, wild boar, marten, etc.5: 13.5KHZ-40KHZ to repel all animals above and turn on strong flashing light. Technical specifications Power supply: solar energy and 4 Ni-MH AA rechargeable batteries. If there are a few days too cloudy or rainy, you should charge the batteries for as long as possible in the sun. Red LED: indicates that the unit is activated. Charging current: 250mA. (Charger selection: 5V, 500mA-1A). Infrared sensor angle: 110 degrees Detection range: 6-8 meters depending on the size of the animals (the bigger size, the bigger range). Warning: 1.Place the device as far as possible from human life. Do not install the device in a play area for children and babies.2.Do not cover the PIR sensor or solar panel. 3.Do not use harsh chemicals or abrasive cleaning agents which may damage the device.