Technical features: Size: 4 inch fans with 5 pieces ABS plastic. Color: As the picture shows. Voltage: DC 12 V. Power: 8W/15W. Noise level: less than 45dB. Fan dimensions: 26.2 x 11.2 x 10 cm. Gross weight: 0.5 kg. Installation area: visor, canopy, door handles, socket, interior mirror, dashboard and in the seat area, on the armrest, etc. Instructions for use: Before use, please set the switch to "0". Start the car, plug it into the cigarette lighter. Adjust the ventilation angle, turn on the switch to 1 or 2. After use, set the switch to 0 and unplug it from the cigarette lighter. Cleaning and maintenance: Before cleaning, please cut off the power first. Use a damp cloth to clean the outside. Do not use materials containing bubbles to clean it, in order to avoid scratches. Contents: 12V Car Fan 2 self-adhesive stickers. 1 instruction manual in English. Our products have been extensively tested, examined and packaged before shipping. - -