Features: -Can be used for sawing branches, sawing metal, sawing PVC, sawing wood, etc. -Self-locking chuck, press and hold the chuck to insert the saw blade, only 2S for installation and replacement. -Powered by LI-ION rechargeable battery, provide longer running time and more power. -Keyless Self-locking blade clamp allows for quick and easy blade changes. -Ergonomic grip handle, provides ideal balance and tool control. -The body is waterproof, can be adapted to the needs of underwater work (Note: the battery is not waterproof) -Pivoting shoe provides constant contact with the work-piece resulting in smoother cuts with less bucking and vibration. -Stepless speed change, speed ​​increases as the strength of the switch increases. Specification: Voltage:18V/21V Frequency: 50HZ Power source: Lithium-Ion Battery No-Load Speed: 0-3000RPM/MIN Speed control mode: stepless speed change Scope of application: sawing wood metal plastic, etc. Package Included: 1 x Electric Saw 4 x Wood Cutting blade Note: 1. Please allow 0.5-1cm differences due to manual measurement. 2. Due to the light and screen difference, the item's color may be slightly different from the pictures.