100M Handheld Digital Infrared Distance Meter Range Finder Measurer Diastimeter Feature: High accuracy and wide measuring range up to 100m. Quick measurement of distance, area and volume with one button operation. Automatic calculation of area and volume. Min / Max distance tracking (display value). Compact and handheld design, portable and convenient. Widely used in construction and industries, especially in large areas such as rooms, apartments, buildings, real estates, factories, warehouses, etc Specification: IP54 protection (dust & splash proof): YES Auto / Manual power off function: YES Multifunction with intelligent calculation: YES Compact & handy design: YES Measuring range: 0.03 to 120m Acurracy: ±2mm (0.079inch) Laser class: Class II Laser maximum output: <1Mw Dust & Splash proof: IP 54 Infrared Auto off: 30S Power Auto off: 3min Operation temperature: -0~40℃ Storage temperature: -20~70℃ Power supply: 120 x 1.5V AAA battery (Not included) Dimension: about 114.5x52 x 27mm Package included: 1 X Distance Meter 1 X User's Manual Notes: 1. Please allow minor errors due to manual measurement. 2. The colors may have difference due to the different display, please understand.