CONSTRUCTION LASER INSTRUMENTS 300-meter Working Range Compact, Lightweight, Yet Rugged > The LP415 provides a 300m (1,000 ft.) working range in diameter, more than enough for most construction and interior/exterior work. Օ The lightweight 2 kg (4.4 lb.) body conforms to the IP56 specifi cation for superior dust- and water-resistance to withstand demanding construction environments. Highly-reliable, High-speed Self-leveling > Horizontal accuracy of 15 arc seconds. Օ Simply press the button and the LP415 quickly levels itself and start rotating. H.I.Alert for Reliability > The laser beam will shut off as soon as the instrument is tilted or jarred to prevent false readings. Visible Red Laser > Օ A fl ashing red light in the laser-emission window makes laser projection clearly noticeable even at a distance. size="-2">