1. 3 Channel, Singel Channel, Singel Channel + R Print 2. 1 Lead Display on Screen 3. Built in thermal Printer (54mm) 4. Simultaneous 12-lead acqunition 5. Built in rechargeable battery 6. Automatic and Manual recording modes 7. Lightweight, 2.5 kg inclusive of battery. 8. Complete digital filter to avoid baseline drifting and interfering from AC, EMG