Electric Screwdriver Set 2‑Speed Multifunctional Home Drilling Machine AC100‑240VAU Plug Item Type: Electric Screwdriver SetNo-Load Speed: 2000rpm Power Supply Type: Rechargeable-lithium battery technology Rated Output Power: 200W Rated Torsion: 22nmElectric Drill Structure: Pistol type Whether The Electric Drill Can Be Adjusted In Speed: Double speed Drill Bit Clamping Method: Drill chuck Handle Structure: Rear straight handle Scope of Application: Drilling screws, drilling, unloading nuts, drilling wood Chuck Diameter: Approx. 12mm / 0.5in Maximum Drill Diameter: Approx. 10mm / 0.4in Rated Speed: 1200rpm Drilling Capacity-Wood: Approx. 20mm / 0.8in Drilling Capacity-Aluminum: Approx. 20mm / 0.8in Drilling Capacity-Steel: Approx. 12mm / 0.5in Standard Accessories: One battery and one charge