Easy to install: the fan is powered by solar panels. Easy to install, just connect the solar panel and the fan interface and put it in the sun. Easy to carry: small size, easy to carry. Battery-free, green , environmental protection and air saving. Widely used: suitable for pet houses, chicken houses, cabins, dog houses, greenhouses, caravans, station wagons, camping, etc. Solar operation: solar panels can work quickly in direct sunlight. When the sunlight is weak, the solar fan work more slowly or stop working. Our fans are powered by , with long service life and saving., Weight: 1.20703088445 pounds, Manufacturer: NONDK