UNI-T Handheld Laser Rangefinder Distance Meter 40M 50M 60M 80M Medidor Laser Tape Build Measure Device Electronic Ruler Features UNI-T LM Series is upgraded multi-purpose laser distancemeter with high precision. It can measure distance, area, and even obtainvolume data by using the Pythagorean Theorem. It is portable, reliable,operationally simple and fast. And it is a perfect substitute of traditionalmeasuring tool (tape, steel rule) which can be widely used in construction,decoration, property management, transportation, fire controlling, gardening,city planning, city appearance management, water conservancy testing, and electricpower maintenance industries.  Please notice: Only shipping from Russia,battery is included, shipping from other warehouse, not included battery. LM40 LM50 LM60 Black background white LED charaters display LM80 LM100 LM120 LM150 White background Black LED charaters display