GREATER PRECISION: 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 measuring range is 30 and the accuracy can reach ± ​​3mm. BETTER OPERATION: Convenient and compact design provides excellent portable operating experience. The LCD display with backlight is clear and you can read the data easily. The bright laser pointer aims easily at the target. MULTI-MEASURE MODES: There are multi-measure modes. They include distance / area / volume / single / Max Min / continuous measurement and 3 types of indirect measurement by Pythagorean theorem. Comes with a wrist strap and portable design, it is convenient to carry. DIFFERENT SETTINGS: There are 3 units of measurement: m / in / ft. At the same time, our product comes with a ringtone indicator. With manual power off, 45s automatic shutdown without operation and 15s automatic laser shutdown function, our product is easy to operate. WIDE APPLICATION: Our product can be used in construction and industries, especially large areas such as bedrooms, apartments, buildings, real estate, factories, warehouses, etc. Features: Measuring range: 0.03-30 m Measurement accuracy: 0.3 mm Display: LCD with backlight Laser class: Class II Laser wavelength: 620-670nm Laser output: less than 1mW Waterproof and dustproof quality: IP54 Laser Auto Off: after 15 seconds Automatic power off: after 45 seconds Operating temperature: 0 ~ 40 Celsius / 32 ~ 104 Fahrenheit Storage temperature: -20 ~ 70 Celsius / -4 ~ 158 Fahrenheit Charging voltage: 5V Item weight: 25g / 0.88oz color: white Material: ABS size: 6 x 2.5 x 1.6 cm Package included: 1 * mini laser rangefinder 1 * USB cable 1 * hanging rope 1 * user manual Note: this does not include other things, the color is based on the first picture and other pictures are not show the effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. Thank you