The Ingco drill driver works with a 12 Volt battery. It is suitable both for screwing and unscrewing, as well as for opening a hole in wood, metal and various other building materials. It has the ability to adjust the rotation speed and operating torque so that it can be adjusted according to the work you want to do. Usually low values are needed for screwing - unscrewing and higher values for drilling into a wall or concrete. In addition, you can switch between different types of chucks to better suit the job you want to do. The package contains: 2 batteries 1.5Ah, Case Number of Batteries: 2 Voltage: 12V Battery Capacity: 1.5Ah Integrated Light Secondary Battery Ah: 1.5Ah