This uinit is perfect for realtors, builders, and anyone who needs To a measurement or a room"s area This uinit is perfect for realtors, builders, and anyone who needsTo a measurement or a room"s area quickly.Range : 0.91 - 18.288M (3 - 60 feet)Feet/meter switchLCD with backlightAutomatic power offThree memoriesArea & volume calculationAddition and subtraction functionsMemory clear functionErroor confirmation

Ultrasonic Distance Meter