Main Features:  Powered by LI-ION rechargeable battery, provide longer running time and more power.  High efficiency BRUSHLESS motor, delivers up to 3000RPM of speed.  Stepless speed change, speed increases as the strength of the switch increases.  Keyless Self-locking blade clamp allows for quick and easy blade changes.  Accepts both HackzallandSawzall style blades.  Full-metal gear for added durability.  With in LED working light, provides illumination in dark spaces as you work.  LED Battery fuel gauge displays.  Ergonomic comforts 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).     Specification:  Type of Saw: Reciprocating Saw;  Battery Voltage: DC 36VF/42VF;  Charger Input Voltage: 220V;  Frequency: 50HZ;  Rated input power: 250W;  Power source: Lithium-Ion Battery;  Speed: 0-2200rmp;  No-Load Speed: 0-3000RPM/MIN;  Speed control mode: stepless speed change;  Reciprocating stroke: 15mm;  Max. Cutting depth in wood: 100mm;  Max. Cutting depth in plastic: 100mm;  Max. Cutting depth in metal: 2mm;  Saw blade length: 6' /150mm;  Scope of application: sawing wood metal plastic, etc.;  LPA: 86dB;  LwA: 97dB;  Vibration: 5.29m/s;  Dimensions: 28x8cm/11x3.1in;  Power cord length: 1m;  Weight: 2670g.