The XT288 Brushless Combo Kit includes two premium tools, the XPH14Z hammer drill delivering  up to 2,100 RPM and a full 1,250 in.lbs. of max torque, and the XDT16Z 4-speed impact driver delivering a full 1,600 in.lbs of max torque.  Both tools have been designed with Makita built brushless motors for longer run time, increased power and speed, and longer tool life. 
 
Variable 2-speed Hammer Driver-Drill with brushless motor delivers (0-550 & 0-2,100 RPM) and 1,250 in.lbs. of Max Torque; weights only 6.1 lbs. with 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.lbs. of Max Torque; weighs only 3.5 lbs. with battery
Efficient Makita-built Brushless Motor is electronically controlled to optimize battery energy use for up to 50% longer run time per charge
The electronically-controlled brushless motor efficiently uses energy to match torque and RPM to the changing demands of the application
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
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 temperature
Rapid Optimum Charger has a built-in fan to cool the battery for faster, more efficient charging
Makita technology delivers category-leading charge time so the batteries spend more time working and less time sitting on the charger
18V LXT® Lithium-Ion 6.0Ah battery BL1860B features an integrated L.E.D. battery charge level indicator
18V LXT® Lithium-Ion 6.0Ah battery BL1860B reaches a full charge in 55 minutes or less
Compatible with Makita 18V Lithium-Ion batteries with a Star symbol.
3-year limited warranty on tool, battery and charger
Only use genuine Makita batteries and chargers