Description Feature: 1. 3 in 1 design digital rangefinder, 5m tape measure, and cross marking, all in one. With high elasticity and toughness ABS and TPR housing, anti slip and drop resistance, effective dust resistance, can provide lonf service time. 2. 5m coated manganese steel tape short range measurement, with ruler hook for easy to use, and with both imperial scale and metric scale. LCD display with backlight, clear definition, you can see the measurement data clearly even in the dim light environment. 3. With self locking device, automatically lock the current measurement position after the tape is pulled out, press the unlock button to automatically rebound the tape, more safer and will not hurt your hands anymore. 4. The ranging meter is designed for long distance measurement, and with cross marking function, which provides a nice reference of horizontal and vertical lines for the renovation project. 5. This meter has various kinds of measurement functions including single or continuous measurement, area measurement, volumes measurement, and pythagorean measurement. 6. Equipped with historical data memory function, it can holds maximum 20 groups of data. Wide applications, suitable for road, housing, construction, water conservancy, electric power, pipeline, etc. Specification: Item Type: Rangefinder Material: ABS, TPR, Coated Manganese Steel Battery: 2 x1.5V AAA Battery (Not Included) Resolution: 2mm Measurement Unit: M/In/Ft Type: 635nm1mw Automatic Lighting Shutdown Time: 30 Seconds Automatic Shutdown Time: 180 Seconds Data Store: 20 Groups Tape Measure Working Ranges: Approx. 0-5m/0-16.4ft Minimum Scale: Approx. 1mm/0.04in Tape Width: Approx. 19mm/0.75in Unit: Imperial System and Metric Scale Ruler Belt Material: 65 Manganese Steel Working Temperature: 0-40 Store Temperature: -10 to 50 Size: Approx. 85 x 82 x 56mm / 3.35 x 3.23 x 2.20in Weight: 270g / 9.52ounce. Package List: 1 x Rangefinder Note: Manual measurement please allow some error.