Product description: Measurement Range: 0.05-60m Measurement accuracy: (2mm + d * 1/10000) Unit of measurement: m/in/ft Single measurement: support Continuous measurement: support Area/volume measurement: support Pythagorean measurement: support Key sound: support Battery Type: 3.7V 370mAh Battery Laser Type: 630-670nm <1mW Auto power off: 150 sec Auto off laser: 20 sec characteristic: Doubly sending and simply receiving Press to fire the laser, press again to fire the laser again to calibrate, and the resulting data is displayed in real time. Clear and bright LCD screen Display current measurement data, historical measurement data, measurement reference, measurement unit, performance status, etc. 0.2 second response Instant press and display, convenient to display, home decoration, furniture, decoration and other measurements. 3 types of units Switchable measurement start point Up to 60m 0.002m millimeter accuracy 2mm high measurement accuracy, measurement distance up to 0.05m, up to 60m, much higher than similar products Full charge can measure 8000 times 370mAh high-capacity lithium battery, Type-C interface charging Delivery content: Laser rangefinder 1 Charging cable 1 User Manual1