modname=ckeditor UNI-T Mini Bluetooth Distance Meter 40/50/60M Digital Display Laser Rangefinder LM40B/LM50B/LM60B Electronic Ruler Laser rangefinder, both a variety of practical measurement functions, such as single measurement, continuous measurement, wall area measurement, area measurement, volume measurement, Pythagorean indirect measurement, easily cover a variety of measurement needs in your life. With Bluetooth data transmiion module, you can transfer data to your cell phone at any time. Features of LM40B/LM50B/LM60B Bluetooth laser rangefinder 1. One rangefinder can solve many problems for you 2. Compact body, easy to carry 3. With self-calibration function 4. Built-in lithium battery, equipped with Type-C charging interface 5. complete measurement mode, a variety of measurement methods, to solve the user's various measurement needs 6. With Bluetooth function, connected to the APP via Bluetooth, real-time measurement and data co-operative, no need to aist - individuals can easily measure the room Model LM40B LM50B LM60B Laser Type Level 2 630-670nm,<1mW Measurement Range 40m 50m 60m Screen Type LCD Display Battery Type 3.7V 850mAh Lithium Battery Data Transfer APP Bluetooth