Brand new Landhonor LHR-LB9510 Backpack Leaf Blower!
It is designed for heavy-duty, commercial-grade clearing, delivering a 3.1 kW power output. It features a high-volume air output, a 25:1 fuel-to-oil mix ratio, weighs 27 lbs., and includes padded anti-vibration straps. Also has padded backrest, shoulder straps, and waist belt. The trigger is locking and adjustable speed controls on the handle. 
 
Specifications:
Model: LHR-LB9510
Engine: 75.6cc, 2-Stroke, Single Cylinder
Power Output: 3.1kW (approx. 4.2 HP)
Air Volume: Approx. 544CFM (cubic feet per minute)
Air Velocity: 302ft/s (approx. 206mph)
Weight: 27 lbs.
Fuel Type: 2-Cycle Mixture (25:1 ratio)
Fuel Tank Capacity: Approx 2.2-2.3 Liters
Start Type: Hand Pull Start
Controls: Has trigger lock and adjustable speed control. 
Comfort: Padded backrest, shoulder straps, and waist belt.