SpecificationMaterial: PP, Stainless SteelCarburetor: DiaphragmColor: Orange, BlackPower Source: Fuel PoweredIgnition: Contactless Electronic IgnitionWorking Time: ≈1.5h with Full OilEngine Type: 2-strokeRated Power: 1250WEngine Displacement: 42.7CCRated Speed: 7000r/minMax. Speed: 7250r/minAir Speed: 70m/sAir Flow: 0.2m³/sFuel Tank Capacity: 1.2L/0.32galFuel Mixture: 25:1 (90# Gasoline : 2-stroke Engine Oil)Total Length of Tube: 1.71m/5.6ftBlowing Head Size: 41*12cm/16.14*4.72inPackage Size: 46*42.5*39.5cm/18*16.7*15.55inProduct Size: 29*29*43.5cm/11.42*11.42*17.1inNet Weight: 7.4kg/16.3lbsGross Weight: 8.65kg/19lbsHow to Use1.Pour in the mixed oil, and press the oil bubble multiple times to expel air, ensuring that there is oil reflux inside the pipe.2.Cold start: Pull the choke valve upwards, and then pull the rope. When there is resistance, you need to close the choke valve downwards, and pull the rope again to start. Hot start: Pull the choke valve upwards and pull the rope to start.3.After completing the work, you need to release the throttle and press the orange button to turn off the machine. Package Included1* Backpack Leaf Blower5* Connecting Tubes 1* Installation Tool Bag1* Spark Plug Handle 1* Fuel Oil Mixing Bottle (Empty) 2* Straps 1* English Manual Other Accessories for InstallationNotes1.Please note that this machine requires a 25:1 oil mixture (90# gasoline & 2-stroke engine oil). Please use the complimentary bottle for oil mixing.