📏【6 Button 7 Functions】 UNITS- Switch metric/imperial system, HOLD- prevent deviation, MEMORY- Viewstored, SAVE- Store 5 datas, CLEAR- one key to zero, POWER- Power on/off, open/close backlight. 📏【Accurate to 0.03】Rare high-precision digital display measuring wheel on the market. The unit of measurement has FT / IN / M / CM / ' / " .Can be used by professionals. 📏【PORTABLE & DURABLE】After shrinking is 24inch, can be put into the backpack we give away. All buttons are IP54 waterproof and dust-proof. Durable button-The number of keystrokes is limited to 1 million times 📏【MULTIPLE APPLICATIONS】 Distance measure is sufficient for various indoor and outdoor projects, Rolling measuring wheel is ideal for real estate appraisers, law enforcement, construction, or landscaping workers, and homeowners alike. surveyors, crime scene, and all other measuring professionals; 📏【INTERESTING MEASUREMENT PROCESS】Whether private or industrial purposes, the measurement of straight line and curve line is easy. you can measure any type of distance just by walking with such a measuring wheel device makes the whole surveying process fun and easy, This wheeled measurer is sturdy and lightweight; So stop overworking we got you covered on this one., Manufacturer: ACOOJ