The pest stop ultrasonic all pest repeller uses ultrasonic sound to repel a range of animals and birds at a frequency too high for humans to hear providing a humane solution to unwanted pests the repeller can be ground or wall mounted and can rotate through 60 when wall mounted suitable for repelling mice rats birds rabbits squirrels cats dogs foxes and badgers main features three ultrasound frequency settings to repel specific animals and birds flexible pir motion sensor and timed loop activat