1/2 Hammer Driver-Drill has a new 4-pole motor for 450 in. lbs. of torque and weighs only 3.9 lbs.Impact Driver is 40% more compact, 1,330 in.lbs. of torque with 0-3,200 IPM and is 3.3 lbs.6-1/2 Circular Saw has a D35 high torque motor that delivers maximum power for cutting 2x material at 45° and is only 6.9 lbs.4-Position Flashlight with Xenon bulbs runs 4.3 hrs.LXT Lithium-Ion battery provides longer run time, 5x lower self-discharge (for use any time) and 16 firm holding contact terminals (for constant high power)LXT Lithium-Ion battery and optimum charging system produces 430% total lifetime work with 2.5x more cycles30-Minute Rapid Optimum Charger communicates with the battery’s built-in chip throughout the charging process to optimize battery life by actively controlling current, voltage and temperature3-year warranty on tools and 1-year warranty on battery & charger