M18 fuel, powerstate, 1/2" drill driver kit, brushless motor, redlink plus intelligence ensures optimal performance & provides overload protection to prevent damage to the tool & battery during heavy applications while still maintaining compatibility across the entire m18 system, red lithium xc5.0 battery pack delivers more work per charge & more work over the life of the pack, up to 60 percent more power, 1,200 inlb of torque, 6.9" length for access into tight spaces & reduced fatigue, led on foot of tool for better lighting in dark spaces, compatible with all m18 batteries & tools.