The Pestrol Commercial Rat and Mice Repeller uses ultrasonic frequencies to deter rodents and birds from the targeted area.
Ultrasonic sound waves cause discomfort to rodents and birds but does not harm them.
The frequencies of this unit range from 10 KHz to 65 KHz. Although the frequencies are pre-set and cannot be changed manually, there are 2 settings. 1 for birds and 2 for rodents.
The Commercial Rat and Mice Repeller is powered by 240V mains, via a power cord and will cover up to 800 sqm (in an open space situation).