1、Multi Purpose: Hammer+screwdriver two in one, the front end of the screwdriver can tighten screws and drill holes, and the back of the product can be used as a hammer; knocking accessories have a certain air clearance cushion, knocking, the force through the studs evenly dispersed, will not damage the motor. 2、Unique Design: The product is not only matched with hammering module, but also equipped with waist buckle on the left side and batch head & drill bit storage clip on the right side, which is easy to use and provides working efficiency. 3、Premium Material: Brushless motor with speed up to 1600RPM, torsion up to 45Nm; Alloy forged steel gears, hexagonal quick metal collet, PVC handle, ergonomic design, non slip and wear proof, comfortable grip. 4、Product Details: Increase the heat dissipation port to circulate and dissipate the heat quickly; LED light, can be used normally in the dark angle; can be adjusted by one key for forward and reverse rotation, installation and removal of screws is easy to complete. 5、Infinitely Variable Speed: Use the intelligent emergency brake function, the motor speed with the pressure degree of pressing the switch and change, let go of the emergency stop, improve the safety and reliability of the work. 6、21+1 Gears Torsion: 21+1 gears torsion is adjustable, you can freely adjust the torsion size according to different materials and different working scenarios, choose the right torsion to protect the screws and items from damage. 7、Wide Range of Uses: Can be used for drilling and drilling holes in metal (light and thin models for home use), wood, PVC, ABS materials; installation and removal of household appliances, kitchen cabinets and other items. Specifications: Material: ABS Battery Voltage: 16.8V Battery Capacity: 2.0Ah Speed: 0-550RPM, 0-1600RPM two adjustable steps Torsion: 45Nm Clamping Bit Size: Hexagonal (1/4") Torsion Gear: 21+1 Item Size: 205 * 110 * 73mm / 1 * 1 * 1in Item Weight: 863g / 1.90lb 1 * Electric Screwdriver (Structure Random) 1 * Battery 1 * Charger 1 * Knocking Block (already installed on the machine) 1 * Batch Head Clamp 3 * Batch Head (PH2) 2 * Screws 1 * Hexagonal Wrench 1 * Tool Storage Box 1 * User Manual (English)