Delivers precision, speed and performance in one tool. Four self-leveling laser dots and one self-leveling line provide versatility. Point-to-point plumb level and square alignment reference. Independent self-leveling laser beams are highly focused, producing accuracy of 1/4in. at 100 ft.Accuracy:1/4in at 100ft.Range:100ft.Display Type:Four self leveling laster dots and one line.Battery Included:No.Battery Type:AA.Dimensions L x W x H:11 x 7 x 4in.Kit Includes:Universal multimount, strap, target, tivet, case.Flashing sensor alerts operator when unit is out of level