The Makita DFS451RFE 18V Screwdriver LXT has a high comfort pistol grip for comfort. This cordless screwdriver has a variable speed control switch. It has been designed to be light & compact, with a lightweight body & a well balanced feel for easy handling & manoeuvrability. There is an LED job light with an afterglow function to illuminate the work area. 22 minute charge time with the air cooled Makstar Optimum Charging System. Lithium-ion batteries have greater life spans than their Ni-MH or Ni-Cad counterparts giving 430% greater run time. Lithium-ions 40% weight saving means 18 Volt power can be obtained by a battery that weighs the same as a 12 Volt Ni-MH battery.