... -touch keyboard, plastic exterior case, which are good-looking, portable, and convenient to operate.Applicable fields Suitable for diagnosis of ... period of pregnant woman, etc. Scanning Mode: Electronical Convex Scanning Display Mode: Type B, Type B/B, Type B/M, ... Real-time clock, ID, age, gender, probe type, frequency, display depth, full-screen editable note Measurement: Multi-measurement of length ...