Features ●Compact and small size, easy and direct operation, portable ●Accurate pulse pace identification function ●High accuracy digital filter, auto baseline adjustment ●Working modes: Manual, Automatic, Arrythmia Analysis ●50mm, single channel format recording, excellent automatic interpretation ●320x240 graphic 3.5 inch color LCD to simultaneously display 12ch waveforms ●Adapt to 110-230V,50/60Hz power supply ●Built-in rechargeable Ni-MH battery continuously ●working for about 3 hours Technical Specifications ● Leads: standard 12 leads ● Patient current leakage: ＜10μA ● Lead acquisition:12bit/1000Hz（synchronously 12 leads ）