The DEWALT DCK296M2 20V XR Lithium Ion Premium Brushless Hammer/Impact Combo (4.0Ah) features a DEWALT-built brushless motor that delivers up to 57% more run time over brushed. The XR Li-Ion batteries with fuel gauge provide 33% more capacity over standard packs. The DCD995 20V MAX1/2" hammerdrill features a 3-speed, high performance (0-2,000 RPM) all-metal transmission that optimizes tool-to-task for fast application speeds and improved run time; 0-34,000 BPM for fast drilling in masonry materials; a compact size at 8.4" front-to-back length and lightweight at 4.7 lbs. Great for fitting in tight areas. The DCF886 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; a compact size at 5.6" front-to-back length and lightweight at 3.4 lbs. Also great for fitting into tight areas. Both tools feature LED lights with 20 second trigger release delay, providing increased visibility in dark or confined spaces.