This product is a multi-functional electric drill from Denx, model DX2568. Here are its main specifications and features: Speed: Up to 2000 RPM (2000R/Min). Pulse frequency: 1660 pulses per minute (1660R/min). Chuck size: 12.8 mm. Power type: Powered by a rechargeable 21V lithium battery. Uses: Ideal for installation and maintenance work, loosening car tire screws, and as an electric screwdriver. Warranty: One year (maintenance).