ISOTRONIC mobile dog and cat repellent with ultrasound | for barn, garden, car, and garage | high-pitched tones, variable frequency to prevent habituation - 3 pieces

["COMPACT DOG/CAT REPELLENT: The ultrasonic deterrent is portable and uses a battery set (6x AAA Micro per device, included in delivery) with a lifespan of up to 8 months.","HIGH-PITCHED TONES: The device emits high-frequency tones in intervals (approx. 5 sec. on and approx. 25 sec. off). The signals are inaudible to humans but irritating to dogs and cats.","ANTI-HABITUATION EFFECT: The alternating frequencies reduce habituation, ensuring continual repellent function. To deter animals that habitually visit a particular area, 7-14 days may pass.","POWERFUL RANGE: The effective range covers about 40 square meters per device. The cat and dog deterrent is ideal for outdoor use.","MAXIMUM EFFECTIVENESS: With an on/off switch, suitable for use in the house, garden, garage, barn, attic, or yard"]