When have animals near to the repeller, the repeller will be activated and emit four different frequency sound (from mode A to mode B) with flashing LED light to scare away the animals. It works from mode A to mode B automatically, you no need to always change mode for different animals, it can get rid of all the wide animals you don't like.
Night or 24-Hour protection for your garden, lawn, cabin, shed, attic,farm, barn, warehouse, patio or wherever safe and effective pest control is needed.