Ultrasonic Cat Repeller Sonic Cat Repeller

Detects and repels cats without harming them Protects lawns flower beds bird feeders and ponds Monitors a 98anddeg arc up to a distance of 12 metres Cats trigger a burst of continuously variable ultrasound unheard by humans Motion detector conserves battery life Weather resistant unit Easy installation using 2 x 9V PP3 batteries purchased separately The Sonic Cat Repeller incorporates a sophisticated PIR Passive Infrared detection system that protects an area over 120 square metres of unobstructed space. It detects animals moving into this area and triggers a burst of continuously variable ultrasound which sweeps the frequency range of 18000 Hz to 24000Hz to repel them. Simultaneously the LED indicator on the front of the unit signals that it has now been activated. The push onoff Test Button on the front of the will drop the sonic frequency to an audible level so humans can hear it. this enables you to check the unit is functioning properly .