Alimentation: DC 3.0V (2 x AAA/1.5V, not included)
Frequency output: 1-100Hz
Temperature: between 0 ° C and 40 ° C
Dimensions: 130 x 127 x 27 mm (L x H x W)Package included: 1 x Electrical stimulator 4 x Massage pads 2 x Electrode wires 1 x Acupuncture pen 2 x Pad housing 1 x Manual