Main Features ● The three dimensional cooling system has good ventilation and more stable motor performance ● High precision copper core motor with strong power high temperature resistance and long life ● 30s quickly breaks the wall the steel chuck the drill bit is not easy to fall off ● 360° rotary sub handle for easy use at different angles ● Adopts large trigger switch design moderate damping force and accurate control ● Ergonomic design handle soft rubber surround more comfortable to hold ● One machine with multiple functions high efficiency and multiple functions three functions of electric hammer electric drill in one SpecificationColor BlueBattery Quantity 1pc 2pcs None battery Optional Input power frequency 50 60HzNo load speed 1800r minHammer frequency 0 6000p minMax drill diameter 20mmBattery Capacity 15000mAhPackage Contents 1 x Electric Hammer1 x Battery 2 x Batteries None battery Optional 1 x Battery Charger None battery do not Included 1 x Box