Makita XT510SM 18V LXT Li-Ion Cordless 5 Tool Combo Kit w/ 4.0Ah Battery. Impact Driver features 4-speed power selection (0-1,100 / 0-2,100 / 0-3,200 / 0-3,600 RPM & 0-1,100 / 0-2,600 / 0-3,600 / 0-3,800 IPM) provides 1,600 in. Of Max Torque; weighs only 3.5 lbs. 7-1/4″ Circular Saw delivers 5,100 RPM for maximum performance and features a large 2-9/16″ cutting capacity at 90°; weighs only 12.5 lbs. Recipro Saw delivers 0-2,300 (Low) & 0-3,000 (High) strokes per minute and a 1-1/4 stroke length for faster cutting; weighs only 8.3 lbs. Flashlight provides 160 lumens. Extreme Protection Technology (XPT) is engineered for improved dust and water resistance for operation in harsh conditions. Equipped with Star Protection Computer Controls to protect against overloading, over-discharging and over-heating. Dual Port Rapid Optimum Charger charges two batteries at the same time. The Dual Port Rapid Optimum Charger communicates with the batteries built-in chip throughout the charging process to optimize battery life by actively controlling current, voltage and temperature. Makita technology delivers category-leading charge time so the batteries spend more time working and less time sitting on the charger. Compatible with Makita 18V Lithium-Ion batteries with a Star symbol. Only use genuine Makita batteries and chargers. What’s in The Box. 18V LXT 1/2 Driver-Drill (XFD10Z). 18V LXT Impact Driver (XDT11Z). 18V LXT 6-1/2 Circular Saw (XSS02Z). 18V LXT Compact Recipro Saw (XRJ01Z). (2) 18V LXT Lithium-Ion 4.0Ah Battery (BL1840B). 18V LXT Lithium-Ion Charger (DC18SD). We always keep product quality and customer service in our mind. Please let us know if you have any question.