Specifications: 1) Input circuit: floating, protection against defibrillator effect2) Lead: standard 12 leads, European leads3) Patient current leakage: 3.2 seconds9) CMMR: >100dB (with filter)10) EMG filter: 40Hz (-3dB)11) DFT filter: automatic adjustment12) Sensitivity: 5, 10, 20mm/mV ?3%13) Recording system: thermal array14) Paper speed: 25, 50mm/s ?3%15) Recording paper: 50/63mm, high speed rolling16) Input circuit current: d50mA17) Safety standard: IEC Class I, type CF18) Power supply: AC 220V/110V 50/60Hz, DC 14.4V, 1,200mA, lithium battery19) Depolarization voltage: ?00mV20) Noise level: <15uVp-p21) Dimensions: 300 x 230 x 65mmOuter packing: N.W.: 2.75kgG.W.: 4.5kg producing area:China payment:L/C, T/T