Product Operation Steps: 1. "ON/OFF" knob to around 4 files, then "Sensitivity" spin around to 2, about 2 per second when detecting acoustic shall prevail.Due to personal skin and dry humidity weather, "Sensitivity" regulation vary from person to person. 2. Before use, first will need to use in the treatment of probe is installed in the host, and then insert the conductive rod wire in the host at the bottom of the interface, another hand hold the contact rod form a loop. 3. Correct posture of hand instruments, such as holding pen, thumb contact instrument metal conduction piece 1, escaping contact conduction metal piece 2, erect hold in contact with human skin. 4. Detection: the meridian entry points in detecting meridian acupoints, when they hear a continuous and display values increase , the channels and collaterals acupuncture points are detected, then press start treatment under treatment.Note: when detecting meridian acupoints, may hold the key treatment. 5. Treatment, can through the "ON/OFF" key to adjust the intensity of appropriate treatment, in order to feel comfortable it is advisable to (a total of 10 strength level is adjustable from 0 to 9).After using, press the "ON/OFF" key to adjust to the closed position.Replace beauty probe: beauty face, remove the probe counterclockwise, then clockwise lock beauty probe. Product Function: 1. Warming and activating meridian 2. Promoting blood circulation by removing blood 3. Relieve pain, improve immunity 4. Regularize internal secretion Product Specifications: Item Type: Acupuncture & Moxibustion Therapy Device Item Name: Electronic Automatic Acupuncture Pen model: 508C Material: plastic+metal colour: White Package Contents: 1 x Massage Device Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.