Item Type: Electric Screwdriver Set Product Model: TB052 Rated Input Power: 250W Maximum Drill Diameter: Approx. 13mm / 0.5in No-Load Speed: 0-1500rpm Power Supply Voltage: AC110-240V Product Voltage: 20V Power Supply Type: Rechargeable-lithium battery technology Battery Information: Rechargeable lithium battery, 16800mAh Use Time: About 150 minutes Whether with CW and CCW: Yes Chuck Diameter: Approx. 13mm / 0.5in Drill Bit Clamping Method: Drill chuck The Electric Drill Speed Whether Adjustable: Stepless speed regulation Standard Accessories: Two batteries and one charge Screw: Suitable for home assembly, electrical maintenance according to requirements Metal: Suitable for iron plate, aluminum stainless steel, etc. Wood: Suitable for furniture board, plastic board, cardboard.1With strong driving force and fast drilling speed, effectively improve work efficiency. 2Continuously variable speed makes it work normally and reduces the heat of the machine in use. 3Free switching between positive and negative modes can meet different working conditions. 4Wide range of applications, suitable for iron plate, aluminum stainless steel, furniture board, plastic board, cardboard, etc. 5The rated input power of the product is 250W, and the maximum drill bit diameter is 13mm. 1 x&nbspElectric Screwdriver 2 x Battery Box 1 x Adapter 1 x User Manual&nbsp