1Metal chuck with capacity 10mm is durable and suitable for high load. 218+1 modes of torsion adjustment allow you to change torsion as needed. 3High/low speed adjusting switch is used to switch between high speed and low speed. 4The variable-speed triggeris convenient to adjust speed by pressing it lightly or heavily. 5Forward or reverse rotation is adjustable. Features: Metal chuck with capacity 10mm is durable and suitable for high load. 18+1 modes of torsion adjustment allow you to change torsion as needed. High/low speed adjusting switch is used to switch between high speed and low speed. The variable-speed trigger is convenient to adjust speed by pressing it lightly or heavily. Forward or reverse rotation is adjustable. Specification: Charger Plug & Voltage: US plug, 110V Battery Voltage: 21V No-load Speed: 0-350/1400rpm Power Type: Charging type li-ion battery Rated Output Power: 80W Rated Torsion: 35Nm Max. Torsion: 45Nm Torsion Setting: 18+1 Speed Control: Stepless adjustable Chuck Capacity: 10mm Max. Drill Dia. on Wood: 25mm Max. Drill Dia. on Aluminum: 23mm Max. Drill Dia. on Steel: 10mm Weight: 1615g / 57oz (approx.) Package list: 1 * Cordless Drill with Battery 1 * Charger 2 * Spare Battery Note: Please kindly make a note if you need any plug adapter. Products from GuanGuan's store