This is a kind of quality air blower, which is adopt high power motor can provides powerful suction and wind to ensure stable performance in high-intensity operation. Wind power adjustable design, stepless speed change design, one button to switch the speed, which can meet different work requirements. Wide applications, perfect for blowing snow, blowing fallen leaves, cleaning grass roads, and dust removal in construction, and etc. Also suitable for cleaning out the dust of the motherboards, hair waste from bedding, corners, bed bottoms, carpets, furniture, etc. Specifications: Name: Electric Blower Main material: plastics Battery: 1pcs battery, 2pcs batteries (optional) 1pcs battery: 1 21V, 1300mAh battery (included) 2pcs batteries: 2 21V, 1300mAh battery (included) Item size: 525 152 210mm 20.67 5.98 8.27in Item weight: 1pcs battery: 1514g 3.34lb 2pcs batteries: 2045g 4.51lb Package size: 305 216 295mm 12.01 8.50 11.61in Package weight: 1pcs battery: 1712g 3.77lb 2pcs batteries: 2243g 4.94lb Packing List (1pcs battery): 1 Electric Blower Host 1 Battery 1 Adapter 1 Blowpipe 1 Dust Bag OR Packing List (2pcs batteries): 1 Electric Blower Host 2 Battery 1 Adapter 1 Blowpipe 1 Dust BagHollow out heat dissipation vents on the machine are designed to keep the motor quickly ventilated and cooled. Multi-protections design, overload, overheat, overdischarge are protected. Multifunction design, suitable for both blowing and suction use, can provides powerful suction and wind to ensure stable performance in high-intensity operation, more practical and reliable to use. Wind power adjustable design, stepless speed change design, simply increase or decrease pressure on the trigger, which can meet different work requirements. Adopt brush motor, quick-starts, timely braking, smoothly speed regulation in a wide ranges, relatively simple control the circuit and so on.