UD-MFD350 controls all testing process by the mini-processor. And it has low power design and can do charge with two models such as online charging and offline charging. And it can work continuously about 8 hours. With large capacity, digital multi-color TFT LCD, original imported stable IC, small size, light weight, stable performance and favorable price, it is one of our company???s high promoted super cost performance and economically ultrasonic flaw detector.