Hwato SDZ-II(NEW) Acupuncture Stimulator, 6 channels;Brand new model develpped in 2013.
Features 
*Brand new product with novel and modern appearance 
*Six output channels 
*New circuitry, no cross over, no interference 
*Continuous, intermit, and dense-disperse (modulated) waveforms 
*Adjustable frequency: 1-100Hz 
*Durable alligator clip wires 
*Timer: 0-60 minutes 
*Output safety alert-all outputs must be turned off before powering on the unit.
Technical specs: 
*Output pulse amplitude: 0-50V (on 500 ohm load). Adjustable 
*Pulse frequency: Continuous wave - 1-100 Hz Adjustable, Intermittent wave: Continuous wave frequency adjustable in 1-100Hz. Break-wave time is 5 seconds, continuous wave time is 15 seconds, Dense-clieperse wave spacing wave frequency is of density frequency, Density wave frequency adjustable in 5 - 100Hz. 
*Pulse width: 1ms 
*Pulse wave un-smmetry two-direction pulse wave 
*Wave form: Adjustable, dense-disperse, and intermittent 
*Power source: DC 9V (Cr 14, Um2), or A/C adapter 
*Output Jack: 3.5 mm diameter jack 
*Unit dimensions: 260 X 190 X 110mm (10" X 7.5" X 4.3") 
*Accessories: 6 connecting pin lead wires, 6 pairs alligator clips to connect to the pin lead wires, 6 pairs self-adhesive electrodes to connect to to the pin lead wire, 1 instruction manual.
Certificate Name Certificate Number CE G2101027210015
***We can provide special type needle or packing according to the customer's request.
***About our factory and our brand: 
Suzhou Medical Appliance Factory, a plant of over 140-year production history of acupuncture needles, is horned to be the State Second Class Enterprise and new and high technology enterprise in Jiangsu province. With the expertise, our factory became the drafting group leader of ISO/TC249 International Standard of Acupuncture Needles. Hwato was honored China Time-honored Brand and State Product Quality Gold Prize, and enjoys high reputation allover the world.