Description: The red light distance measure can measure up to 197Ft and is suitable for everyday home use as well as for measuring large commercial areas such as buildings, factories, and warehousing. You can also freely switch the units in Ft/In/M. Features: [Mini Size]Compact and lightweight, you can keep it in a pocket. Quicker and more convenient to measure than tapes. [Multi-Function]Support distance measure, area/volume calculation, Pythagorean mode, and simple mathematical calculations. [Durable]This red light distance measure is IP54 rated to withstand tough job site conditions such as rain or dust, etc. [Humanized Design]With white LED light for emergency lighting. Comes with a convenient lanyard for storage, not easy to lose. [Widely Applicable]Suitable for architects, realtors, keen DIYers, construction and industries, apartments, buildings, real estates, factories, warehouses, etc. Specifications: Color: Silver, Black (Optional) Material: Aluminum Alloy Style: Casual Range: 0.05-60m / 0.16-196.8ft Unit: m, in, ft Waterproof: IP54 Red Light Level: Level Red Light Type: 635nm