Master challenging layouts with the USB rechargeable green 5 spot and cross line laser base kit. Built to tackle a variety of needs, this laser projects plumb up, plumb down, 3 spots, and cross lines. Help maximize jobsite productivity with up to 16 hours of runtime per charge and a fast 30-minute charge time" (power adapter sold separately). Make precise measurements with an accuracy of ±1/8 in. At 30 ft. And a visible range of up to 150 ft. (45m), extendable up to 330 ft. (100m) maximum range