¡ñ Portable delicate design, big color touch LCD, very easy to operate ¡ñ Accurate pulse pace identification and excellent auto-interpretation function ¡ñ High accuracy digital filter, auto baseline adjustment ¡ñ 12 leads synchronously acquisition and display; Record mode : 3ch, 3ch+, 3ch+++, 6ch ¡ñ Working modes: Manual / Auto / Analysis / Storage ¡ñ 800¡Á480 graphic 7 inch color touch LCD screen ¡ñ 250 cases storage and replay£¨SD card storage is optional£© ¡ñ Built-in rechargeable Li-ion battery supports continuous work for about 4 hours. ¡ñ 112mm*20m high resolution thermal printing ¡ñ Rs232 and USB interface ( USB disk storage,laser printer printing , PC ECG software are optional ) ¡ñ Language : English, Chinese, French, Italian, Spanish, Russian