The 5.7 inch Cardico 306 features a touch-screen operation in which operational settings and patient info can be simply entered, using one finger. The device uses a LAN network interface. It additionally offers a memory with 20,000/8G of USB removable storage and an internal storage of 200 gigabytes. Arrhythmia monitoring and summaries lasting up to 15 minutes can be provided by the Cardico 306. A direct connection to an Epson Printer is an optional feature on this particular model. The recommended model is a 12ch ECG that uses A4 size paper.