Great Compliment to Shake-Away's Fear Barrier.

Contech CatStop Ultrasonic Keep cats out of your garden, safely and efficiently, with a motion-activated burst of ultrasonic sound. Protect your garden, plants or sandbox without chemicals or fences. When cats come within range, the CatStop® automatic outdoor cat deterrent emits a sudden burst of ultrasonic sound (that humans cannot hear) - the sound startles cats, and teaches them to stay away. Installation is easy - just place the CatStop in the garden or outdoor area that you want to protect, and it is ready to go. CatStop provides a safe but effective deterrence protects gardens day and night without chemicals or unsightly barriers monitors up to 280 square feet (26 square meters) operates for up to six months on a single 9-volt battery. Great Compliment to Shake-Away's Fear Barrier. See Recommended Products Below: