Functions:
    ● Single or dynamic continuous measuring
    ● Automatic calculation of room area、volume
    ● Laser pointer for lacation
    ● Level bubble assistant for location
    ● Sound indication function
    ● Two row LCD screen
    ● LED backlight function
    ● Transition of Metric and British units
    ● Memory and accumulation function
    ● Current room temperature display
    ● Automatic turn-off for electricity saving
Application:
    ● Indoor decoration or construction
    ● Inspection and evaluation of real agent
    ● Garden virescence, fair disposal