Max XR® Brushless Premium Hammerdrill & Impact Driver Kit, Lithium-Ion, 20 VBrushless motor delivers up to 57% more run time over brushed XR Li Ion batteries with fuel gauge provide 33% more capacity 20V MAX 1 2" Hammer drill 3 speed, high performance (0 2,000 RPM) all metal transmission 20V MAX 1 2" Hammer drill 0 34,000 BPM for fast drilling in masonry materials 20V MAX 1 4" Impact driver provides 1,500 in lbs of max torque at fast 0 2,800 RPM speed and 0 3,200 impacts per minute Both tools feature LED lights with 20 second