CiBest 115ft/35m Portable Digital Laser Distance Meter Measurer Range Finder Tape measure 0.16 to 115ft (P35) Supports unit selection of meter, inch and feet, Indirect measurement by Pythagorean Theorem Ultra portable Handheld Laser Distance Meter 0.05 to 35m(0.16 to 115ft) IP54 protection Auto/Manual power off, Large LCD with backlight and multi-line display Measurement for distance,area,Volume Wide measuring range Warning:be careful not to shine laser into yours or other folks eyes