laser distance meter range finder 40M 60M laser tape measure digital retractable 5m laser rangefinder Ruler Survey toolDigital Rangefinder 2 in 1 laser and Tape Two measurement modes free to switchHigh Definition backlight LCD display, can help you read more clearlyLaser continuous measurement, real-time update the distance, can find the max/mindistance to help you to locate.Very useful for accurate diagonal room or window/door measurementsDouble photosensitive hole, increase signal receiveSelf-locking design, not easy to hurt.Coated manganese steel tapeBenchmark compensation, accurate to every millimeterCombination of tradition and technology, efficient and cost-effectivelaser distance meter range finder 40M 60M laser tape measure digital retractable 5m laser rangefinder Ruler Survey toolMeasuring Range:40m/60mAutomatic Shut-Down:150s Product dimension  85.3x79.3x58.8mm Product Weight  0.42kg Self-Calibration:±9mmBatteries type 2*1.5V AAA (Not included) Retractable Tape Measure  Tape Measuring Range:5mUnit  Metric System Minimum Scale:1mmTape material:65 Manganese steel Tape Width:19mmTape Hook  Activity Tape Thickness:0.16mm