Simple Operation : Foldable Screen, probe rack and wall mounting rack, handle for easy carrying, user-friendly GUI with 3 display mode and 4 optional color background. Powerful Functions: 24 Hour CTG Storage, fast print for stored traces, 'Smart Notes' annotation, Signals Overlap verification, real-time and offline date tranmission to PC. Outstanding performance: 12 inches color Screen, Excellent algorithm,12 crystal 1Mhz water-proof transducer for accurate detection