This system gives 24-hour protection against garden pests by emitting high-pitched ultrasonic sounds that are unpleasant but not harmful to animals and are inaudible to humans. The weatherproof unit covers an area of up to 8000sq ft, is fitted with three frequencies and a 3-volume control function. Effective against cats, dogs, foxes, rabbits, squirrel and deer.
Mains powered only with 10m (30') cable. This unit has an operating radius of 60ft all around the unit. Effectiveness will be reduced if there is a lot of dense shrub around. The unit should be installed 30cm (12") above ground, measured to the sound vents on the front of the unit, to deter cats. May need to be higher for bigger animals like foxes or deer. Guinea Pigs may be affected by the unit and it may not scare big birds such as herons. 17.5cm x 11.5cm x 10cm. Comes with a Money back guarantee!