★We sincerely hope you have a good experience with our products. If you encounter any problems while using our products, please feel free to contact us. We will get back to you within 24 hours. Thank you for your understanding and support!▶[Product parameters]Name: One-hand electric chain sawMotor: All copper motorChain speed: 5m/sRated voltage: 21VChain: Tool adjustmentFuel injection: manual refueling of the oilerGuide plate size: 4 inchesBattery capacity: 2.0Ah/3.0Ah/4.0AhBattery parameters: 5 cells 2000mAh/10 cells 1500mAh/10 cells 2000mAhNo-load endurance: 150min/200min/300min▶[Features]Features: strong power/pure copper motor/lightweight design/non-dropping/multi-purpose/large-capacity battery/strong power/smooth operation/high temperature protection/fast heat dissipation▶[detail]Alloy guide plate, precision integrated forging technology, no deformation or fracture;Start the switch, press and hold the switch to cut convenient, fast and labor-saving;Non-slip handle, ergonomic design to pick up effortlessly;Fast heat dissipation, high temperature resistance without flameout, increase ventilation and heat dissipation openings.▶[Accessories]Mini single hand saw×1Oil can bottle*1Socket wrench*1Screwdriver*1Chain*1A pair of glovesBattery*2Quick charger*1