Casual Home Insect Repellent, Electronic Ultrasonic Pest Reject Repeller for Bug Mice Rat Spider RoachDesign:On maximum 100k Hz,double wave output,0.5 second increments 500Hz,sweep,while adding four fixed frequency constant interference nerve noise,get rid of the noise effectively. Function:Can effectively kill rats,cockroaches,ants,mosquitoes,insects,etc,give you a safe,calm,clean,healthier and more comfortable living environment. Intelligent Frequency Conversion:Can perform intelligent frequency conversion,high frequency ultrasonic section,automatic cycle frequency conversion,silent and tasteless,clean and hygienic. Safety:High ultrasonic frequency 24-100k Hz,and you can get rid of traditional mosquito repellent incense,rat poison harm,and harmless to human body and other animals.Specification: Material: ABS Color: black/white Frequency: 24-100k Hz Rated Voltage: 90-250 v Size: 7.6 cm11.9 cm8.7 cm/2.99 inch4.69 inch3.43 inchFriendly Tips: 1.Please kindly allow 2-3% difference according to manual measurement.2.Please check the measurement chart carefully before you buy the item.(1 inch=2.54 cm) 3.Please note that slight color difference should be acceptable due to the light and screen.Thanks.Package Content 1*insect repellentPromise If the product has any quality problems,please feel free to contact us,we will help you solve the problem as quickly as possible.