This is an Amtrak Solar portable fan. This fan is ideal: for camping, off-grid living, outdoor use, and R.V. life. It is capable of 360 degree rotation to suit your needs. in ideal situations with a 50 watt panel attached (panel sold separately) this fan can reach speeds of roughly 1,500 cfm. This is a 12" 12 volt 80 watt DC fan and is compatible with bullet connectors and mc4 connectors. The housing is made of plastic and measures 12"x13"x3" and comes with a high efficiency, 7" metal fan blade. Designed for use with solar panels (panel sold separately) to save money on electricity and reduces dependency on outlets for ease of outdoor use. Reduces need for non-renewable energy.