Portable Electric Air Blower, Duster & Vacuum Cleaner The unit is used for cleaning or coldshouldeirng machines and instruments of various industries. Handy around house and office, great DIY tool!! Not made for Large yards and Acres of Farm Land!! This Unit is Perfect for Car, Electronics, Computers and accessories, Shop, Garage, Office and small Yards!! To use as blower/duster, fasten nozzle to the air outlet. To use as suction/vacuum Cleaner, fasten the nozzle to the suction inlet to suck No operator fatigue from long use because it's small in size and light in weight. Powerful motor produces great wind pressure and volume to double work efficiency.