Display: 2.4QVGA(320�240)true color OLED screen, contrast 10000:1 Measuring Modes Interface-Echo Mode( I-E):for thick material Echo-Echo Mode (E-E): for the thin material and measure through the coating Multiple Echo Verify Mode (ME-E): All the thickness values have been checked through 3 to 9 times of echos, which makes the result more reliable and accurate Auto Mode: The instrument select the measuring mode automatically according to the different material being tested Measuring Range( Steel) Interface-Echo Mode: 0.06''- 1.06'' Echo-Echo Mode: 0.06''- 0.53'' Multiple Echo Verify Mode: 0.01''- 0.35'' Auto Mode: 0.01''-1.06'' Display Mode A-SCAN: Displays the whole RF echo or half-waveform after rectified B-SCAN: Real time B-Scan, displays the profile of the workpiece Big Thickness Value: The conventional display of the thickness value Min./Max. Capture: Display the current thickness value, Min. value and Max. value at the same time Difference/Thickness thinning rate: Display the difference between the real thickness value and the preset thickness value, and the percentage of the thinning value Gain:Real time continuously adjustable, adjustable range 41dB Measuring Resolution:0.0001inch Material VelocityRange:0.0197-0.3937in/us Units:Inch or Millimeter Language:Chinese, English, French, Germany, Japanese Power:2 AA size batteries, Operating time is more than 35 hours Working Temperature: 14°F ~122°F Size:6'' � 3'' �1.5''(H �W �D) Weight:280g including batteries Battery and Couplant are Prohibited Goods by Air Shipping by DHL/FedEx taking 3-5 days