UNI-T Bluetooth Laser Distance Measuring Tool 135Ft, Digital Rechargable Electronic Measure Laser Distance Meter App for Drawing, M/Inch/Ft Area/Volume/Pythagoras LM40B

SpecificationsMeasurement range: 40mBluetooth: ✓APP: ✓Measurement accuracy: ±(2.0mm+5*10-5D)Minimum display unit: 0.001mContinuous measurement: ✓Area volume measurement: ✓Pythagorean indirect measurement: ✓Self-service calibration function: ✓Maximum/minimum: ✓Sound on/off: ✓Sound prompt: ✓Laser type: Level 2 630-670nm, <1mWAutomatic laser shutdown time: about 20 secondsAutomatic shutdown time: about 150sStorage temperature range: -20℃~60℃Working temperature range; 0℃~40℃Storage humidity: 20%~80%RHBattery: 3.7V 850mAh lithium batteryCharging and discharge times: about 500 timesCharging specifications: DC 5V ＞1A Type-C USB portNumber of full-charge operation times: about 8000 timesScreen: Segment LCDDimensions: 100.3mmx33.4mmx18.3mm

• MULTIPLE MEASUREMENTS - The maximum measurable distance of this LM40B laser distance meter is 135Ft (40m). Unit of measurement: M/Inch/Ft. The laser measurement tool can take distance/area/volume measurement, continuous measurement (maximum/minimum/current measurement), indirect measurement, Pythagoras mode.
• BLUETOOTH MODULAR DESIGN - This laser ruler takes easy room measurement for single person. With bluetooth data transmission module for real-time data result being transmitted to your mobile phones whenever you'd like, the figure/graph can be quickly produced in your app. Android and iOS smart mobile phones are compatible with the app, and support floor plan drawing, such as CAD, 3D max and other professional software.
• LCD BACKLIT SCREEN - LCD backlit allows you to clearly see the screen readings even in dim environments. Class 2 laser, 630-670nm, <1mW. Self-calibration function, helps to automatically calibrate error. The sunshine analysis function also help to analyze the monitoring result.
• RECHARGABLE & REUSABLE - Built-in 850mAh lithium battery with type-C interface charging cable, suitable for being charged from most devices. The full battery can be used about 8,000 times. Aluminum alloy body distance meter, small and portable. Great for landscape/interior design, factory construction, scene setting and installation, etc.
• WHAT YOU GET - Comes with laser rangefinder, comfortable cloth protective bag, USB C charging cable, instruction manual (with app QR code for download). If there's any technical problem, please feel free to tell us, we'll try our best to help you with it.