Main ? . singular : ± 1/16 inch. -LRB- the actualized tolerance is below 1/16 -RRB- ? . Backlight display you to read clearly in darkening area. . Self-calibration your measurement more faithful. . in hand perfectly with pocket size, very unproblematic to carry and to use. . Error code indicator you to know the reasons ? . Belt clip that comes with digital tape measure you to hang on pocket. . The citrus color certain the device always stands out and is unproblematic to find and grab. . apt wordless button design you enjoy tranquil and harmonic measurement experience. . Laser will automatically off after 30s without operation and the device will power off automatically after 150s without operationFunctions and Specifications ? . Measuring units : ? . Laser Class II, , ? . Data : 30 ? . measuring range : 262 Ft. ? . Battery : AAA 2 x 1.5 V -LRB- Included and replaceable -RRB- ? . Dust and water : IP 54 ? . Battery : up to 8000 measurements ? . Bubble : upended, horizontal ? . Operating/Storage : 0 - 40 ? . / - 60 ?? . instrumentation : 112 x 50 x 25mmNote : 1. a target card to increase the measurement range during daylight or if the target has pathetic reflection properties. . . Measurements taken through limpid objects look-alike glass, water, crystal etc, coercive light sources, bullnecked light-absorbing objects or another highly broody surfaces may be. Please our attached target card.Package Content : 1 * Morpilot Laser distance measure 131 FT 1 * 1.5 V AAA batteries1 * User 's manual1 * Belt clip1 * Hand strap1 * Gift-box1 * 24 Months warranty .