Features: Made of fine quality material, practical, has a long service time, you do not need to change it often. Portable and compact, easy to operate and carry, also easy to storage. 4.0 inch TFT LCD touching screen display. let you see the data more clearly. Measurement frequency ranges is 50KHz~3GHz, has a wide applications. High stability, high sensitivity and high accuracy, greatly improved performance. EVA storage bag is convenient for storage and carrying.