3 in 1 Digital Tape Measure, MiLESEEY 40 M Laser Measure Device with Mobile Phone App, Real Time Digital Display, Unit Ft/Ft+in/in/M and Pythagoras Mode, Measure Distance, Area and Volume (40m)

ACCURATE - The DT30 laser measuring tape includes self-calibrating 5 meters of traditional tape, a real-time digital display, a 40-meter laser measure, and provides accuracy up to ±2mm.
DIGITAL TAPE MEASURE-The screen displayed is the distance of the laser or tape, simplified your measuring tasks and makes them more efficient. This digital tape measure offers a seamless combination of traditional tape measure functionality with modern digital technology.
DISPLAY IN REAL TIME-Wireless connectivity allows this laser meter to share information wirelessly with a phone, while the free "SMART LIFE" app allows users to document measurements and create floor plans. A PNG fly export from the "SMART LIFE" app is good enough for most of us to use as a reference.
DURABLE AND ACCURATE WITH SMART CALIBRATION-The laser measurement tool is a Class 2 laser device, storing up to 30 measurements. Never forget a measurement with a tough, durable, 1.9 cm standout of a wide, nylon-coated blade, protects blade printing and extends tape life. Its intelligent auto-calibration corrects any inaccuracies, providing you with reliable measurements every time.
INTEGRATED FUNCTIONS - The DT30 digital tape measure is its simplicity. It's user-friendly and requires minimal effort to operate. Switch "UNIT" for 4 unit conversions of "m", "ft", "in" and "ft'in" to meet as needed. Its built-in rechargeable lithium battery ensures long-lasting use, making it a dependable tool for any measuring task.