When the earthquake happens, animals become anxious, that can’t stay in house. Because, animals can hear the sonic come from underground, what makes them feel uncomfortable. This product is using ultrasonic to make pest anxious and let them leave house. Feature: ======= - No-toxic, environment-friendly - Save and harmless - 20-55KHz Of repelling - Ultrasonic frequency - 120sqm of protection Specification: ============ - Using environment temperature: 0-40°C - Frequency ranges: 20-55KHZ - Power source: AC180V-250V /50HZ, AC90V-110V /60HZ - Power: 5W - Plug: US/ EU plug - Size: 8.8x5.6x5cm(approx) Note: ===== This machine should be installed at 80-120 centimeter away from the floor. And vertical to the floor and plug to the power socket. The installing point should be avoided from carpet, curtain etc attaching sound material. Otherwise, the decrease of the sound pressure will do harm on the helminths effect. It’s normal that the mouse and vermin will increase at the beginning of the using days. Because they are moving away from their living place after the attack of ultrasonic. This machine can be plug directly to AC 220V (or 100V) power socket. (Power range: AC 90V-250V. - Frequency: 50-60HZ) - Caution: mistune proof, waterproof Don’t clean the machine by strong impregnant, water or damp cloth. Use dry and soft cloth with some neuter wash to clean it. Don’t drop the machine and make strong striking on it. To increase the effect, you should use several sets machine at the warehouse or goods pile-up, several rooms. ***If you have any question, please email us. Customer satisfaction is very important to us! Please contact us before leaving any negative or neutral feedback or dispute on Paypal because it will hurt both of our benefit. Please give us the opportunity to resolve the problem. We understand the concerns and frustrations you might have, and we will try our best to resolve the issues.