1. The machine should be installed 20 - 80 cm above the ground, plugged into an electrical outlet perpendicular to the ground.

2. There must be no high obstacles within 1 meter of the front of the product (that is, do not install on the back of refrigerators, wardrobes, sofas and other objects)

3. At the installation point, try to avoid sound-absorbing materials such as carpets, curtains, etc. to avoid reducing sound pressure, making the sound range smaller and affecting the effectiveness of repelling insects;

4. During the first days of use, normal activities such as mice and insects will increase significantly. Because mice and insects hiding in their nests are attacked by ultrasonic and electromagnetic waves, they flee from their original hiding place;

5. Note: moisture-proof and waterproof;

6. Do not drop or subject the device to strong impacts;

7. Usage environment temperature: 0 ~ 40 degrees Celsius;

8. If it is placed in a warehouse or where items are stacked, or on a multi-room floor, a few more machines should be placed to increase efficiency.

9. The product will operate continuously for 24 hours during use. In addition, at night you should close the doors and windows, during the day mice will come out, open the windows during the day)

10. The mosquito repellent has a gentle sleep light, giving you a feeling of peace of mind when sleeping