Light weight tool high quality, solid aluminum body;Electronic variable speed control dial (6 speeds); Widely used for woodworking, such as wood processing, cabinet processing, handicraft; production, plastic sheeting, wood veneer and other similar materials chamfering, grooving, surface finishing, curve cutting, planning wood edge, pattern processing operations activities and DIY Specification: Power supply: Rechargeable Li-ion battery Voltage: DC 21V Cordless Tool Type: Hand Wood Trimmer Laminator Router Chuck Size: 1/4" and 6mm No load speed: 2500-30000 rpm Comes with 2 collets: 1/4" and 6mm Extra accessories supplied as per main photos BATTERY AND CHARGER ARE NOT INCLUDED NOTE : 1. The manual is a general version, please refer to the real thing, the machine does not have soft start. 2. Since excessive cutting may cause overload of the motor or difficulty in controlling the tool, the depth of cut should not be more than 3 mm at a pass when cutting grooves. When you wish to cut grooves more than 3 mm deep, make several passes with progressively deeper bit settings.