ELECTROACUPUNCTURE: Acupuncture using electrical current Features: * For busy clinics that require several units * Palm-sized and lightweight * Three output channels * Low/High intensity settings * Unique asymmetric bi-phasie pulse Specifications: Frequency 0-500Hz, variable Amplitude Low setting: Max. 9.0mA plus/minus 10% High setting: Max. 15mA plus/minus 10% Phase Duration 100µs Pulse Shape Asymmentric bi-phasie No. of Channel 3 channels Others Battery checker Pulse rate indication Power Source 9V battery