Makita's LXT 7L Combo Kit is powered by 18V Lithium-Ion battery technology, and includes a 1/2" driver drill (No. BDF451) and a 1/2" impact wrench (BTW251). The driver-drill has three speeds with up to 1,700RPMs, a maximum torque of 560inch-pounds, and weighs 4.6lbs. The 1/2" impact wrench packs 2,040inch-pounds of torque with 3,200 impacts-per-minute, and weighs 3.7lbs. The kit also includes a cordless flashlight which emits high power at 4,500Lux.