1. High power, low fuel consumption, no flameout, no pull cylinder, easy to start, sharp and wear-resistant; 2. Load high power, fast cutting, save time and effort; 3. Low fuel consumption carburetor, double copper nozzle disc membrane technology, full fuel combustion; 4. High temperature resistance without flameout, enlarge the heat dissipation hole, and quickly cool down; 5. High-strength non-pull cylinder, durable; 6. Easy to start and fast rebound, built-in steel bar spring, flexible and fast rebound; 7. High-quality guide plate chain, high-strength integrated guide plate, long service life, high-temperature quenching chain, sharp and more wear-resistant; 8. Thicken the brake baffle, effectively protect your hands, push forward to brake quickly; 9. U-shaped handle, comfortable grip, non-slip, shock-absorbing and durable; 10. Cotton yarn filter screen prevents dust and noise, improves work efficiency; 11. Triangular shock absorption technology reduces vibration during cutting and ensures smooth operation of the machine; Tips for use Adding oil: The main function is to lubricate the chain to reduce the wear of the chain and saw teeth, so it can work only after the oil is sprayed. Add gasoline: the mixing ratio of gasoline and engine oil is 25:1 (the engine oil must be two-stroke engine oil) Fuel mixing method: find the side of the mixing pot 25:1, add engine oil and gasoline according to the parameters, cover the oiler lid and shake Ready to use evenly. Foam filled kraft carton Packing size: 53*30*32cm Gross weight: 8.5kg Foam filled kraft carton Packing size: 53*30*32cm Gross weight: 8kg/8.5kg Gasoline engine: air-cooled single cylinder, two-stroke Displacement: 52cc/58cc Rated output power: 2200w/2600w Speed: 7000rpm/7500rpm Idle/High Speed: 3000/11500rpm Mixing ratio of gasoline and engine oil: 25:1 Fuel tank volume: 550ml Engine oil tank volume: 260ml Chain pitch: 0.325 inches The package contains: 1X52cc 45cm guide plate gasoline chain saw with two chains Instruction manual or 1X58cc 50cm guide plate gasoline chain saw with two chains instruction manual