ReadMyHeart Specifications:
Input impedance	> 10M ohm
Input dynamic range	+/- 2 mV
Bandwidth	0.15 - 40 Hz
CMRR (Common Mode Rejection Ratio)	> 60 db
A/D conversion	12 bits
Sampling frequency	250 samples/s
Memory	15 seconds of reading, 30 recordings
Display	LCD display panel
Input	Dry conduction electrodes and/or external auxiliary electrodes
Please note:	The software we provide is not compatible with Macintosh
Power Supply	1.5V (AAA) x 2
Size	124 x 78 x 22 mm
Weight	150g (Not including batteries)
Measurement Range:
Average heart rate	45 to 180 bpm
ST value	-3 to +3 mm
QRS interval	< 0.20 sec
Storage Temperature	-4 to 122 F (-20 to 50C)
Operating Temperature	50 to 104 F (10 to 40C)
Humidity	25% to 95%

Certifications: US FDA510(k), CE 0197, Japan, Canada, Taiwan