This white combination therapy (Tens+Ms) mini by HME is an electro 
therapy machine. It comes with built in battery backup and power input of 
220V/50HZ. It also includes 2 channel with muscle stimulator accessories. 
Technical Specifications of Muscle Stimulator- (Interrupted Galvanic 
Output- 0 to 90 V. Pulse width 1 and 100 ms, Surge Faradic Output 
Frequency- 0 to 90 V . Continuously adjustable)

TENS + MS combo