Type (Option): 12V / 18V / 21V; Capacity Battery / Power Battery / Impact Capacity Battery / Impact Power Battery. Features: - Meet all your needs, industrial grade lithium electric drill, with impact concrete, brushless motor more powerful, stepless speed change freely. - Percussion, concrete drilling, wall drilling, etc. - Material drilling, metal / PVC / plastic / wood drilling requirements. - Screw, furniture installation, door and window installation, etc. - Brushless motor, metal gearbox, double bearing design. - Double bearing output, center hole in the center, double bearing force, stronger and more durable. - Double speed adjustment function, to meet the requirements of different types of work. - 10 intelligent protection, over discharge protection, input anti reverse protection, over temperature protection, overcharge protection, over power protection, over-voltage protection, cell PTC protection, over-current protection, short-circuit protection, recovery protection. - Stepless speed change, intelligent control, with the pressure to change the speed, with the emergency brake function. - LED lighting with its own light source. - Waterproof and dustproof, fall resistant and durable. - Three functions (Impact Style) 25+3,ordinary 25+2. - 2 In 1 Functions:1:Screwdriver  2:Flat drill. - 3 In 1 Functions:1:Screwdriver  2:Flat drill  3:Hammer drill. Specifications: Impact Style Size: About 10.5 * 7.3 * 21cm / 4.1' * 2.8' * 8.2'; Ordinary Style Size: About 5 * 20 * 19cm / 1.9' * 7.8' * 7.4'; Speed: 1450RPM; Capacity Battery: 1500mah; Power Battery: 2000mah; Torque: 35NM-56NM; Chuck Size: 3 / 8'(0.8-10mm). Package Includes: 1 * Torque Impact Drill; 1 * Charger; 1 * Battery.