Output current:;100 mA (with 1 kOhm real);Frequency range:;0,5 - 120 Hz;Pulse width:;50 x 400 microsec;Pulse type:;rectangular biphasic impulse;Power supply:;integrated rechargeable batteries Ni-mH 4.8 V;Dimensions:;114 x 59 x 27 mm;Weight:;approx. 300g;Conformity:;complies with CEE 93/42