Makita is the leading manufacturer of professional power tools on the market. The DRT50ZX4 cordless router trimmer is powered by 18V li-ion LXT slide Type battery (not included), with brushless motor, variable speed control by Dial and constant speed control, to deliver up to 30, 000 rpm for faster trimming. The DRT50ZX4 has a smooth rack and pinion fine depth adjustment system for more precise settings, quick release cam lock system for convenient depth adjustments/ base removal and installations and a push button switch with lock off button. The DRT50ZX4 is supplied with trimmer base. 1 year manufacturer warranty with a further 2 years when registered within 30 days of purchase. This guarantee does not apply where non-genuine or recommended parts or accessories are fitted to the tool. The use of non-genuine or compatible batteries and Chargers with Makita Tools will invalidate the Makita guarantee for our tools.