Lentek Pest Contro II , pc12c With this Pest Control device you will see them vanish safely, professionally and inexpensively. Its twin speaker design with sweep sound technology will safely and quietly terminate the pests. This digital pest control device covers up to a 2500 square feet area. Direct Plug-in, Electromagnetic Technology, chemical free, saving you money on extermination monthly or bimonthly fees. Ultrasonic On/Off Switch, Effective temporary relief from Pests, (Rats & Mice), safe for use around pets and children.