Functions:
    ● Single or dynamic continuous measuring function
    ● Automatic calculation of room area and volume
    ● Laser target function
    ● Two-line LCD display
    ● Metric and British units exchange function
    ● Memory, accumulative function
    ● Current room temperature display function
    ● Automatic shutdown function that saves power
Application:
    ● Indoor decoration or construction
    ● Inspection and evaluation of real agent
    ● Garden virescence, fair disposal