Product Name: Impact Screwdriver 16.8 V (Multi-function) 18 + 1 stage drill adjustable, suitable for various tasks such as drilling and tightening screws, such as metal, stone, wood, etc. The drill driver can be switched rapidly, making it ideal for DIYers and DIYers. 2-speed shift: You can switch between 2-speed gears. Variable speed can be achieved by the pull of the switch trigger [Switch forward and reverse rotation] Press the forward and reverse switch to adjust the tightening and loosening process. Cordless: Cordless drill drivers, so it can be used in a variety of situations regardless of location. Lighting function: Equipped with LED lights. Easy to see dark and small areas. The light will light up at the same time as you work, greatly improve your work efficiency. [Specifications] Maximum Torque: 36N·M; Drilling: Steel; *Diameter: 0.4 inches (10 mm); Wood; *Diameter: 0.9 inches (23 mm); Number of Clutches: 18 levels; Chuck Capacity: 0.03–0.4 inches (0.8–10 mm); No-load Speed: (Low) 0–350 rpm, (High Speed) 0-240 VAC 50 - 60 Hz 20 W; Export: 16.8 V DC 1000 mA; Product Weight: Approx. 2.2 lbs (1 kg); Accessories: Main unit, charger, battery