Unit has 7 channels and can be used in acupuncture therapy, acupuncture anesthesia, needle-less therapy, and measurement of meridian sensitivity. Capable of 8 waveforms with continual adjustment and free combinations. The unit consists of two independent sections(A or B) with seven channels. It is possible to select two different frequencies and output waveforms simultaneously. High amplitude output divided into 2 ranges, smooth adjustment , high stability and low power consumption, non-interference between channels, parallel or serial connection of output terminals to enhance stimulation.