Edan SE-301 ECG Device Ultra-compact and lightweight design High resolution color touch screen Comprehensive filters & anti-noise technology Enhanced powerful technical specifications provides reliable signal quality 12-lead simultaneous acquisition and display Support linear/2D barcode scanner Signal quality identification Long time sampling Large storage capacity Support USB flash disk and micro SD card to extend memory Built-in rechargeable Li-ion battery Bi-directional communication with SE-1515 Data Management System LAN/build-in Wi-Fi (optional) connections Multi-format reports export (optional) Support external printer via USB port