Ultrasonic thickness instrument: T7 ultrasonic thickness can easily measure the thickness of various metal and non -metallic materials.Such as steel, aluminum, ceramics, composite materials, epoxy resin, brass, copper, iron, plastic, nylon, gold, PVC, glass, zinc, lead, tin, acrylic resin, etc. [Multiple functions]: The ultrasonic thickness meter has the functions of a single test mode and continuous test mode, min/max/, probe calibration, automatically turn off the power, and low -capacity indicating the flashlight design. [Charging]: Ultrasonic thickness metering instrument with rechargeable batteries and charging cables to that there is no need to worry about insufficient power during measurement. [2.8 -inch TFT color display]: Due to the use of large TFT color display, even if the bright sunlight or lack of light, you can easily obtain readings from the ultrasonic thickness tool. Colour:black Material:Metal Package Contents: 1 * ultrasonic thickness gauge set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.