Aosion Multifunctional Solar Ultrasonic Animal repeller to keep Wild Cat Dog Bird Away

Link: http://goo.gl/ZWgUOj Button "FREQ" Position: - 1: 13.5kHz-17.5kHz Repels animals such as mice, small rodents, ... - 2: 15.5kHz-19.5kHz Repels animals such as large dogs, foxes ... - 3: 19.5kHz-23.5kHz Repels animals such as small dogs, cat, bird ... - 4: Strong flashing - 5: All function working, sweep frequency from mode 1 -- mode 2 -- mode 3, and turn on strong flashing