Multifunctional smart tape measure: laser-ranging/laser-cro/self-locking tape measure. Five tips per hand: 5m tape measure 60m laser-rangefinder/laser-cro. Measuring method: measure short distance with tape measure, measure long distance with laser, measure cro with laser-cro.Precise laser-components: laser-ranging, error 2mm, digital display can be accurate to 0.001m, subtle distance changes and accurate perception. Plastic protective soft shell: with high elasticity, toughne and slip resistance. Automatic locking of the ruler belt: The ruler belt will be automatically locked after being pulled out to prevent accidental finger injury, and it will automatically spring back when the unlock button is preed.20 sets of data storage, important data is not lost, easy to read. Specification: Name: 3 IN 1 laser-Rangefinder Material: plastic + metal Color:as shown Range: 0.2-60m Measurement accuracy: 2mm Measurement unit: m/in/ftlaser-type: 635nm1m WAuto-off laser-time: 30 seconds Automatic shutdown time: 180 seconds Data storage: 20 groups laser-range: 60m Tape measuring range: 0-5m Minimum scale of tape measure: 1mm Measuring tape width: 19mm Tape measure unit: metric inch Tape measure tape material: 65 manganese steel Scope of application: single measurement, continuous measurement, area measurement, volume measurement, hook measurement, decoration design, furniture placement, door and window measurement, engineering support. Working temperature: 0-40 degrees Celsius Size: 85 x 82 x 56mm Package Contents:1 x 3 IN 1 laser-Rangefinder