... antomatic identification(2 probe connectors)Scanning angle adjustment(Convex)Pseudo color: 3 difference Technical Specification: Scanning mode :Convex/Linear/Micro-convexDisplay ... instruments. Welcome to us!Main productsPulse Oximeter, Fetal Doppler, Patient Monitor, Stethoscope, B-Ultrasound,ECG/ECG Holter, EEG/EEG Holter,EMG, etc ...