Part of the Draper Storm Force 20V Power Interchange series 3 functions - Drill Screwdriver Hammer 13mm keyless chuck Two speed gearbox with 22 torque control positions Variable speed control with electronic brake Battery level indicator Spindle Lock LED worklight Supplied with 2x 2Ah batteries and a quick one hour charger. Draper Storm Force® 20V interchangeable battery system allows you to combine one battery with any of the tools within the 20V Storm Force series (not compatible with Draper Storm Force® 10.8V).