The DTD146Z 18V LXT Impact Driver brought to you by Makita is a cordless unit that features an ergonomically designed handle with a powerful 4-pole motor. Its compact design (138mm length) makes it easy to handle in tight spaces & there is enhanced dust & drip-proof protection, as well as a handy battery fuel gauge. This impact driver has an ingenious one-touch bit installation system that makes bit changes quick & easy, & there is an LED job light with pre & post glow functions. The Lithium-ion batteries that are compatible with the unit are lighter weight, quicker charging & have more run time than an equal voltage Ni-Cad or Ni-MH battery. * Bare Unit only. Use with your existing batteries & charger.