Description: One key control design is easily changed to forward or reverse. And the compact design make it suitable for a variety of working environments. Long-lasting feature makes it can be used for a few hours with one charge. The wireless design makes it very convenient to carry and use. Made of high-quality metal and plastic material, the electrical screwdriver set is very durable to use. There are 5 different sets for you to choose, you can choose the one that fit for you. It is suitable for repair, household appliance, workshop, home and so on. Item Name: Electrical Screwdriver Material: Plastic, Metal Charging Time: 150Min Working Voltage: 3.7-4.2V Maximum Torque: 3N.M Charging Method: USB No-load Speed: 220r/min Battery Capacity: 1200mAh Battery: Build-in Battery (Included) Features: Powerful, Mini, One Key Control Size Details: Size: 17.5cm x 4.3cm/6.9" x 1.69" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: Style 1: 1 x Electric Screwdriver 1 x USB Charging Cable 1 x Bit 1 x English Manual or Style 2: 1 x Electric Screwdriver 1 x USB Charging Cable 2 x Bits 1 x English Manual or Style 3: 1 x Electric Screwdriver 1 x USB Charging Cable 10 x Bits 1 x English Manual or Style 4: 1 x Electric Screwdriver 1 x USB Charging Cable 28 x Bits 1 x English Manual 2 x Bit Bases or Style 5: 1 x Electric Screwdriver 1 x USB Charging Cable 39 x Bits 1 x English Manual 2 x Bit Bases