HIGHEST ACCURACY: The indicator is used to measure the reference mark / battery level / buzzer indication / signal strength. Our product can quickly measure distance, area and volume. The measurement range is 30 and the accuracy can reach ±3mm. BETTER OPERATION: The practical and compact design provides an excellent portable operation experience. The LCD screen with backlight is clear and you can read the data easily. The bright laser pointer easily aims at the target. MULTI-METER MODES: There are multi-meter modes. They include distance / area / volume / single / Max Min / continuous measurement and 3 kinds of indirect measurement by Pythagorean theorem. Comes with a wrist strap and portable design, it is convenient to carry. DIFFERENT SETTINGS: There are 3 measurement units: m / in / ft. At the same time, our product comes with a buzzer indicator. With manual power off, 45s no-operation auto-off and 15s laser auto-off function, our product is easy to use. WIDE APPLICATION: Our