The Pest-Stop Ultrasonic Cat Repeller uses ultrasonic sound to repel unwanted cats 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 the repeller can rotate through 60° when wall mounted. Main features: Specialist ultrasound frequency, specifically targets and repels cats. Flexible PIR motion sensor and timed loop activation settings. Wall bracket and ground mounting stake included for flexible installation. Battery powered (2 x 9v NOT Included) for quick and simple installation. Optional mains power kit also available. PRCPSORUC