Rated power: 5(W) Power supply voltage: AC90~220(V) Power supply frequency: 50 ~ 60 (Hz) Dimensions: 9056 50(mm) Material: ABS material Color: ivory white, side is black Product effective range: 20-50 square meters 1. The machine should be installed at a distance of 20-80 cm from the floor, and should be inserted into the socket perpendicular to the floor. 2. There must be no large obstacles within 1 meter of the front of the product 3. The installation point should avoid sound-absorbing materials such as carpets and curtains as much as possible to prevent the reduction of sound pressure from reducing the sound range and affecting the insect-repellent effect; 4. Note: Moisture and water resistant; 5. Do not drop the machine or subject it to strong shocks; 6, the use of ambient temperature: 0 ~ 40 degrees Celsius;