The UTG-2675 ultrasonic thickness gauge is a simple to use, highly accurate, hand-held Ultrasonic Thickness Gauge with the ability to measure ultra-thin materials in super high resolution. Utilizing it‘s state of the art microprocessor and ultrasonic technology the UTG-2675 Ultrasonic Thickness Gauge offers you many outstanding features such as quick scan and extended memory. It features reliable and stable readings, standard or dual element measuring modes, convenient data display (in both millimeters and inches),high resolution .0001" (0.001mm), ease of operation, low power consumption(two AA batteries).