Check the listing for details. Topcon TP-L4B. Condition: Used. Listed at 2500.00 USD. The Topcon TP-L4B Economy Red Beam Utility Pipe Laser features a red laser that allows working with grade and vertical lines. Self-leveling ±10 degrees, the TP-L4B offers a grade readout of -15% to 40% and a horizontal accuracy of ±10 arc seconds. Also, it includes a line range of ±15 percent.This red beam pipe laser uses an RC-200 remote control that offers a working range of up to 660 feet. It also features automatic alignment mode, line centering, grade zeroing and plumb reference. This utility laser has an automatic alignment mode with a distance of 16.5 feet to 492 feet.This Topcon red beam pipe laser comes with a cast aluminum housing construction and uses a 633-nanometer red visible laser diode. Using NiMH batteries, this device can operate up to 48 hours and up to 70 housing with alkaline batteries. As an extra feature, this economy pipe laser is water resistant at least 16.5 feet for 24 hours.