FLEXITRON offers a low cost SOLAR FAN. The fan uses a brushless DC motor and has a service life of over 10 years !, you only need to periodically change batteries maybe once in 3 years (depending on use). A Solar panel can charge the unit, once charged the fan can operate for over 8 hours. The breeze is noiseless and you will enjoy the silent cool breeze ! The fan is perfect for use by Students, housewife in kitchen, In Boats, Picnics and many places where you need a cool breeze.