Protects your garden or Yard From unwanted animals. 1.Speaker:Emits a high sonic or ultrasonic frequency to repel pest and animal. 2.PIR Motion Detector:Generates a signal to control the output circuit when the passive infra red motion sensor detects pests or animals moving in the detecting area,then the reset again for another emission. 3.Function Selector:Three selectable functions OFF/CONSTANT/MOTION SENSOR are provided. 4.Frequency Selector Three Selectable frequency ranage High/Medium/Low. The following are the recommended settings: High frequency setting Cats 40KHZ Medium Frequency setting Cats/Dogs/Deer/Foxes 23KHZ Low frequency setting Rats/Mice/Squirrels/Rabbits 17KHZ 5.Test Button:Verify the repeller to be in normal operation. 6.LED indicator:LED will light when the high sonic or ultrasonic frequency is emitting. 7.DC in 12V Jack:Jack for connecting a 12V DC plug of an AC power adaptor.AC power adaptor(not supplied) to be 800m amps and can be purchased form any electrical outlet. 8.Battery 6V Jack Jack for connecting the plug of battery box. PIR 120 degree