ET Pest Control II gives you updated and more targeted Direct Rodent Repelling Control. R2 Targets the most common hearing ranges of rodents such as mice, rats, squirrels, etc. R1 targets less common but still useful repelling frequencies of rodents to cover all rodent-repelling bases. 

ET Pest Control II Powerful Repelling Techniques: 1) High Impact Ultrasonic Sounds: Coverage of 5000 sq. ft. in open area this technology sounds like a solid blasting train horn to drive most rodents crazy and drive them out of your home or business. 2) Updated Twin Scanning Technology: Instead of your common single speaker pest repeller the ET Pest Control II was built to give you greater repelling coverage by blasting variable frequencies out of its two offset and angled High-Powered Speakers. 3) Electromagnetic High Impact Repelling: The ET II?s Electromagnetic Repelling utilizes the wiring within your walls sending signals tuned towards irritating pest to the max! This is Always-On technology that runs no matter what settings are being used and is the first line of defense when pests try and enter your home. Simply plug in the ET II to immediately begin repelling inside the walls.

Key Product Features