12 lead ECG machine.
Single channel.
Thermal printing.
Defibrillation protection.
Paper size: 50mm(W)×20m(L).
Power supply: AC: 100V~240V(50/60Hz) DC: 7.4V/2000mAh rechargeable lithium battery.
Package includes: limb and chest leads, Ecg machine, thermal recording paper, power cord and user manual.