Yard Sentinel Ultrasonic Outdoor Pest & Animal Repellent
For a hi-tech solution to problem cats, try the Yard Sentinel Ultrasonic Outdoor Pest & Animal Repellent. This unit emits pulses of ultrasonic sound that can be heard during coverage of up to 5000 square feet. There are several different settings, like continuous, motion sensor activation or a sweep mode, that will fit the needs of your property. It runs either on an AC adapter, a vehicle 12 volt socket or it can be battery powered for places that have no readily available electricity, and for the utmost in convenience, the battery will continue to work the device if the AC power goes out.