Model: E80 Color: black + red High-precision laser range finder can be used to measure distance, area and volume. It can also be used for indirect measurement through the Pythagorean Theorem. The product is light and reliable, making your measurement more accurate, simple and fast. The instrument can be widely used in construction and industrial fields, especially in large areas such as rooms, apartments, buildings, real estate, factories, etc. feature: Mini digital laser rangefinder with angle indication for precise measurement. Quick measurement of distance, area, volume, indirect measurement through the Pythagorean theorem. Single measurement and continuous measurement. Maximum\/minimum measured value. Addition and subtraction of measured values. Use the bright laser pointer to aim easily. The measurement unit can be switched. The measurement reference is adjustable. Mini size and handheld design, easy to carry.The ZYSD team is at your service and we hope you enjoy your life