Through ultrasonic sounds it is possible to scare away animals and insects like rats, mice, martens, wild rabbits, mosquitoes. If mounted on the car, roe will be put to rout (decreased danger of accidents). Connection of a piezo-treble loudspeaker to the module is an ideal way to scare away destructive animals out of your pantry, kitchen, storehouses, garden, etc. Also can be used as dog whistle. Even some birds species will be scared out of your fruit trees. Item Specifics: Operating voltage: 12 - 15 V/DC, Current consumption: