Feature:1. Laser Measure with Horizontal Bubble -- High precision laser range finder with fast measurement; 100m (328ft) long measuring range meets diverse needs. Dual horizontal bubbles provide more precise measurement compared to one bubble.2. Multifunctional Measurement -- Quick measurement of distance, area, volume and Pythagorean; supports unit switching: m/ ft/ ft\u0027/ in/ in\"; supports continuous/ maximum/ minimum measurement, addition/ subtraction; supports 99 history records.3. LCD Display \u0026 Mute Mode -- Digital LCD screen with backlight enhances the reading experience; the laser beam, backlight and instrument will automatically shut down to save power. The beep can be turned off when using in library, classroom and other quite places.4. Datum Mark \u0026 Countdown -- Supports front, back or settable (a, b) reference point according to the measurement requirements, easy to switch. Supports countdown function for more humanized use.5. Compact \u0026 Portable -- Mini and lightweight, comes with a wrist strap and a pouch for convenient use and easy portability. 2 AAA batteries (not included) powered, easy to install and replace batteries, with low battery prompt.Specification:This laser distance meter is of mini size and multiple purposes. It can measure distance, area, volume and Pythagorean quickly. Digital LCD display with backlight makes it easy to read. It also supports datum mark switching according to the measurement requirements. Battery operated, mini and lightweight, it's easy to carry.Features:Laser Measure with Horizontal Bubble -- High precision laser range finder with fast measurement; 100m (328ft) long measuring range meets diverse needs. Dual horizontal bubbles provide more precise measurement compared to one bubble.Multifunctional Measurement -- Quick measurement of distance, area, volume and Pythagorean; supports unit switching: m/ ft/ ft'/ in/ in"; supports continuous/ maximum/ minimum measurement, addition/ subtraction; supports 99 history records.LCD Display & Mute Mode -- Digital LCD screen with backlight enhances the reading experience; the laser beam, backlight and instrument will automatically shut down to save power. The beep can be turned off when using in library, classroom and other quite places.Datum Mark & Countdown -- Supports front, back or settable (a, b) reference point according to the measurement requirements, easy to switch. Supports countdown function for more humanized use.Compact & Portable -- Mini and lightweight, comes with a wrist strap and a pouch for convenient use and easy portability. 2 AAA batteries (not included) powered, easy to install and replace batteries, with low battery prompt.Note: Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding.Specifications:Dual Level Bubble: with/ without (Optional)Color: BlackMaterial: ABSScreen: LCD with BacklightMeasuring Range: 100m (328ft)Accuracy: Level 2Measuring Accuracy: ±1.5mmUnit: m/ ft/ ft'/ in/ in"Measurement: Distance/ Area/ Volume/ PythagoreanReference Point: Front/ Back/ Settable (a, b)Addition/ Subtraction Function: YesContinuous/ Max./ Min. Measurement: YesData Storage: 99 History RecordsCountdown: YesBeep: YesLaser Type: Class II, 630-670nm, 1mWWaterproof Level: IP40Laser Beam Auto off Time: about 30sInstrument Auto off Time: about 3minPower Supply: 2 * 1.5V AAA Battery (NOT included)Item Size: 113 * 50 * 26mm / 4.45 * 1.97 * 1.02inItem Weight (without battery): 83g / 2.92ozPackage Size: 15 * 8 * 6cm / 5.91 * 3.15 * 2.36inPackage Weight: 151g / 5.32ozPackage List:1 * Laser Range Finder1 * Wrist Strap1 * Pouch1 * User Manual (English)Package List:1 * Laser Range Finder1 * Wrist Strap1 * Pouch1 * User Manual (English)