Multifunctional smart tape measure: laser-ranging/laser-/self-locking tape measure. tips per hand: 5m tape measure 60m laser-rangefinder/laser-. Measuring : measure short distance with tape measure, measure long distance with laser, measure with laser-. Precise laser-components: laser-ranging, error 2mm, digital display can be accurate to 0.001m, distance changes and accurate perception. Plastic protective shell: with high elasticity, toughness and 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 pressed. 20 sets of data storage, important data is not lost, easy to read. Regarding the positive and negative correction of the ruler hook: the ruler hook is designed for subtraction compensation, and it is not a quality problem, use it with . Material: plastic + metal Color as shown Specification: Name: 3 IN 1 laser-Rangefinder Range: 0.2-60m Measurement accuracy: 2mm Measurement unit: m/in/ft laser-type: 635nm1mW Auto-off laser-time: 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 Battery Type: 2 x 1.5V AAA batteries 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 Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.