Features:

Small, portable and easy to operate

 24 records storage and review, each record with 30-second ECG waveform and analysis result

 Measurement of one channel ECG anytime, anywhere you like

 Display of ECG waveform, heart rate, analysis results and battery status on the backlit LCD

 Measurement results transmission to PC by serial port

 Auto power-off while no key is pressed 10 seconds

 Analysis and presentation for 8 types of arrhythmia

 Lock function to data records to avoid inadvertent deletion.

 2 batteries can take 500 times measurement

 Included with Monitor

Monitor , Leads wire , faux velvet pouch , 50 electrodes , 2 aaa batteries , instruction manual

Regarding the electrodes option :
1) The monitor comes with standard snap-on electrodes option  : It comes with 50 electrode and snap-on leads wire
2) The Tab Electrodes option includes a s banana leadswire , 3 electrode clips ,100 tab electrodes . The tab electrode is more comfortable , less expensive.
3) The reusable   electrodes offers least expensive solution for single patient use . The Solution includes : Snap on leadswire , 3 suction cups electrodes / or 3 limb clamp eletrodes  , a tube of electrodes gel