The tool is very practical, it is neither more nor less than a -sabre saw wireless. (So all saw blades adaptable -sabres). Is handled with one hand, self-correct, especially useful for cutting branches ... and plasterboard. However it is clear that this remains a product "general public": - The battery is molded into the handle of the device: tool is mobilized during charging. - The power is relatively average, and the tool will refuse to cut if the effort is too great. - The Keo Security claw is more annoying than anything else, fortunately it is removable.