The Makita LCT400W is an 18V 4-Pc Combo Kit. The kit includes BDF452HW 18V Lithium Ion 1/2 inch Compact Drill/Driver, BTD142HW Lithium-Ion Cordless Impact Driver and BML185W Light. The Makita BDF452HW has compact design at only 8 inch long and weighs only 3.5 lbs for less operator fatigue. It has all metal 2-speed transmission and powerful 4-pole motor design with dual steel ball bearings. Ergonomic shape fits like a glove with even pressure and easy control. It features built-in LED light for illuminatnig the work area. The BDF452HW accepts all Lithium-Ion slide-style batteries. The BTD142HW has 4-pole motor with dual steel ball bearings and produces a maximum torque of 1280 in-lbs with 3200 BPM and a no load speed of 2300 RPM. The new compact impact driver gives 3 times more power at 50% of the size of other impact drivers. It features easily accessible brushes that can be accessed externally for replacement to ensure longer motor life. The BML185W light has 4-positon head pivots for greater versatility. It emits high illumination of high power at 4500 Lux. The BMR100W Job Site Radio has rugged design is weather resistant perfect for unpredictable jobsite conditions. It features protective bumpers add durability to the design and rich stereo sound plays from two powerful 3.25 inch side-firing drivers. Digital backlit quartz display allows to see the clock even in low light situations. The radio has 5 Pre-set FM/AM buttons to store favorite radio stations. Dual purpose dial controls volume and tuning for easy operation. The Lithium batteries and charger provides longer run time, 5x lower self-discharge and 16 firm holding contact terminals. It has 15-minute rapid optimum charger and battery communicates throughout the charging process using the built-in chip in the battery and built-in CPU chip in the charger. The lithium-Ion battery has the best power-to-weight ratio at 450 in-lbs of torque and weighing only 3.5 lbs.