<b>> Wishion ultrasonic pest repeller safeguards your family and solves pest troubles with no rebound effects.</b><br><br> <b>> Non-toxic, No radiation, No chemicals, No smell, No noise and Safe for human and pet.</b><br><br> <b>> The ultrasonic sound is inaudible to human and pet, you can enjoy a peaceful and pest-free tight sleep without any concerns for noise.</b><br><br> <b>> Just drive pests away without killing them, an environment-friendly and humane solution to keep the pests away from your home.</b><br><br> <b>> Product Detail:</b><br> Color: White, Black<br> Mterial : ABS Plastic<br> Size: 3.3*2.2 *1.1 inch<br> Package Included: 6 pack<br> Rated Power: 3W<br> Output Power: 5-6W<br> Input Voltage: AC90~250V<br> Power Frequency: 50~60Hz<br> Ultrasonic Frequency: 22~65KHz<br> Operating Temperature: 0-40℃<br> Effective Coverage: 1200 sq.ft.<br><br> <b>> Note:</b><br> 1.Please note that this mice repeller is for indoor use only!<br> 2.Don't use this bug repellent where the hamster pet is!<br> 3.Don't install the device behind the curtain refrigerator or other obstructions!<br> 4.Since ultrasound can't pass through walls, it is recommended to use multiple devices in larger areas!<br> 5.The pests may increase in the first using days because they are running away from attack of the ultrasonic! Usually, it will take 3-4 weeks to achieve the typical results!