The milwaukee m12 cpd fuel compact percussion drill has a 2 speed powerstate brushless motor for a variety of applications and up to 10 times longer motor life with different 3 modes screwdriver drilling and hammer drill mode redlink plus intelligence provides total system communication with overload protection to increase the tools life it also has a bright led worklight for workspace illumination m12 cpd 402c 2 x 12 volt 40ah li ion batteries m12 cpd 202c 2 x 12 volt 20ah li ion batteries s