Instructions: 1.This machine should be installed at 100 -120 centimeter away from the floor. And should be vertical to the floor and plug to the power socket 2. The installing point should be avoided from carpet, curtain etc attaching sound material. Or else, the decrease of the sound pressure will do harm on the helminthes effect. 3. lt's normal that the mouse and vermin will increase at the beginning of the using days. Because they will get away from their living place after the attack of the ultrasonic. 4, This machine can be plug directly to AC 220V (or 110v) power socket. (Power range: Ac90 V-250V. Frequency: 50HZ-60HZ) 5. Caution: moisture proof, waterproof 6. Don't clean the machine by strong impregnant, water or damp cloth Use dry and soft cloth with some neuter wash to clean the machine. 7. Don't drop the machine and make strong striking on it. 8. Using environment temperature: 0-40℃ 9. To increase the effect, you should use several sets machine at the warehouse or goods pile-up, several rooms. Features: environment-friendly Sare and dorless 25-65KHz of repelling ultrasonic frequency 100-120sqm. of protection Frequency ranges: 25-65KHz Power source: AC90V-250V 50-60Hz Power: 4-6W
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