Product name: generator : algal destruction rate 90% Bactericidal rate: 99% Wind Speed: Standard Power Supply: Power adapter (Alternating Current) Noise: less than equal 50dB Style: Air Purifier Application: 10-20m Application area: 11-20 Usage Condition: Household Type: Generator Installation: Portable Function: Deodorization Voltage (V): 100-240V production: 60g Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on voltage:AC220V Colour:black Material:Stainless steel About use: At first, you have to plug in the machine, then adjust the machine start working. For example, if your room is 20 square meter, adjust the with 10-20 minutes is ok, if your room is larger adjust the with more minutes accordingly. During machine working, animals or human should not stay in the room. When machine finished work, make the room ventilate 15-20. Package Contents: 1 * generator 1 * power cord Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.