High power. Electric brake. Variable speed. Tool-less blade change. Ergonomically designed handle. Trigger switch with lock-off lever. Newly designed mechanism for higher efficiency. Battery Type: Suitable for 18V Battery No Load speed: 0-4000rpm/min Stroke Length: 20mm Cutting Depth In The Metal: 0-8mm Cutting Depth In Wood: 0-150mm Cutting Depth In Plastic: 10-150mm (Battery not included) Note: Due to different production batches, the color color:Blue Material:plastic Package Contents: 1 x Wood Cutting Saw 4 x blade Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.