Enter RYOBI's 18V ONE+ System with the 18V ONE+ HP Brushless 5-Tool Combo Kit - 1/2" Drill/Driver, 1/4" Impact Driver, 7-1/4" Circular Saw, Multi-Tool, LED Light, 18V ONE+ 4Ah Lithium-ion HIGH PERFORMANCE Battery, 18V ONE+ 2Ah Lithium-ion HIGH PERFORMANCE Battery, Charger and Tool Bag. ONE+ HP Technology delivers more power, runtime, durability, and speed utilizing brushless motors, advanced electronics, and HIGH PERFORMANCE lithium technology. The 1/2" Drill/Driver delivers up to 20% faster drilling and up to 50% more torque saving time and energy per application. The 1/4" Impact Driver delivers up to 25% faster driving and 2,220 in-lbs. of torque providing this tool with the power to drive longer fasteners through tough materials. The 7-1/4" Circular Saw delivers up to 40% faster cutting and over 325 cuts per charge. The Multi-Tool features an aggressive 3.6° oscillation angle providing up to 30% faster cutting speeds with an adjustable speed dial, which operates at up to 20,000 OPM. The LED Light has 280 Lumens of light output and a 130° pivoting head for adjustable light beam direction. The 18V ONE+ 4Ah and 2Ah HIGH PERFORMANCE Batteries delivers up to 30% more power than standard lithium and feature an integrated high visibility fuel gauge to monitor remaining runtime. Backed by the RYOBI 3-Year Manufacturer's Warranty.