1.Drive away intruder animals such as dogs,squirrels,raccoons,rats or mice and more by powerful ultrasonic wave&light flashing.Without chemicals or pesticides, no dead animals. 2.Different frequency and sensitivity modes that you can choose. 3.Choose "Sensitivity" to adjust the detection range, choose "Frequency" to adjust different frequency for different animals. 4.The pest repeller will be activated when animals enter PIR sensor protective range, it will trigger repeller to sound powerful ultrasonic wave and flash strong light to drive animals away. 5.Made of waterproof material,Unsealed design allows it to work under any weather,water resistant,windproof,sun protective and rustless. 6.Powered by solar energy,Suitable for places which are hard to provide power supply, such as farms, gardens, lawns, nurseries, manors and orchards. How to use: Button "Sensitivity"(Left): You can adjust the item sensitivity and distance.By turning the knob clockwise,you increase the range of protection. Button "Frequency"(Right): This is to control frequency. By turning the knob clockwise,the frequency will be increased. Six-speed frequency adjustment: 0 files: OFF. 1 files: mainly for rats, rabbits, crickets and other animals. 2 files: mainly for cats, raccoons, badgers, skunks, etc. 3 files: mainly for bats, birds, rodents, etc. 4 files: flashing lights, such as raccoon, wild boar, badger, etc. 5 files: full band drive animal plus light flash. Sensitivity adjustment: Clockwise rotation, increasing sensitivity.