Feature:1. EXCELLENT MATERIALS: Solar cells are made of high efficiency monocrystal silicon, with high thermal stability, low noise, low dissipation, high thermoelectric conversion efficiency, excellent thermal performance, corrosion resistance, good insulation performance, high and low temperature resistance, radiation resistance2. COOL AND CLEAN: Solar panel fan kit is a great solution for hot summer small chicken coop, greenhouse, shed, pet house and window venting3. AIR CIRCULATION: The 20W solar panel fan kit pushes hot air out and cold air in, effectively lowering the temperature of the room and keeping the air fresh4. WIDE RANGE OF APPLICATIONS: Solar panel fan kit can be used for home, RV, greenhouse, useful and practical5. SAFE FAN: The fan is a perfect choice with a protective net to prevent damage caused by touchSpecification:Item Type: Solar Panel Fan KitSolar Panel Power: 20W(without storage function)Solar Panel Working Voltage: 12VSolar Panel Size: Approx. 36 x 18cm / 14.2 x 7.1inOutput Port: Female DC5521Cable Length: Approx. 150cm / 59.1inFan Power: 3WFan Air Volume: 43.4CFMFan Size: Approx. 12 x 12cm / 4.7 x 4.7inFan Speed: 2200RPMMaterial: ABS, monocrystalline siliconWeight: 533 g / 18.8 oz(approx.).Package List:1 x Solar Panel1 x FanNote:1. The fan speed is greatly affected by sunlight. When the sun is weak, the fan will work slowly or even stop working.2. The solar fan has no built in battery and can only work during the day.