Origin : CN(Origin)Standard Voltage : 220VPlug Type : EU PlugApplication : Bodyfeature : massager electricitem : acupuncture point detectortype : electric acupuncture penTreatment principle of Electronic Acupuncture Pen is used electrical pulses to to stimulate acupuncture points then to activate cell and dredging the channel, while there is a condition to generate the electrical pulse,that is,current//s positive and negative poles must be turned on. The pen is a monopole current(the nib) output, so the other pole current should be conducted by hands and form circumfluence with the nid of the Electronic Acupuncture Pen ,so that it will produce electrical pulses.So it is normal to feel a little numbness of the holding hand, it is how the meridian pen works, not quality problem.In the current return process, depending on the size of the hands//resistance value,the strength you feel will be a little different.Some people would feel more strong and some will feel weak. Young people or health people will feel a little stronger. Elderly or in poor health people will feel weak.Phenomenon like Electric leakage, Electric numbness, Electrical Stimulation of Electronic Acupuncture Pen, like discussed above,is not quality problem, but its treatment principle.Contraindications:1) The device can not be used together with transplant-type electronic appliances, mechanical heart or lung etc.2) The device is contraindicated for pregnant or menstrual period women, acute patients with dermal abnormalities or high fever.3) The device should not be used for children or people with no language expression ability.4) The device is contraindicated for critically ill patients or emergency patients.Product Features:1) Automatic detection of the acupuncture points, smart, simple and convenient.2) Instant pluse, stimulating the menstrual flow.3) Its portable, and is a pocket health care provider.4) The acupoint detection sensitivity can be adjusted according to the skin type and skin condition.5) Humanized design, easy to operate.6) Audio prompt.7) Rechargeable using lithium battery.8) The sensor is replaceable.Specification:Product Name: Electronic AcupunctureFrenquency: AdjustRated Voltage: DCOutput Intensity: 0 to 1Output Intensity Control: ON / OFF, 0 tPower Supply: DCMicro-current Output: 0 to 2 microSensitivity Adjust Control: 0 tFrequency Control: Maximum 23 Hz(AdjustaLarge LCD Digital Display: Frequency / Sensitivity IndicIndicator Lamp: Pulse Rate IndicPulse Width: 220 microsecPulse Shape: Asymmetric biphasic squarePoint Detection: Meter, Sound and Light IndicaBox Size: 269*170*5Adapter: not includeScope of application:Suitable for human wrist, elbow, ankle, neck, waist, face and other parts have points.Package List:1 * Electronic Acupuncture pen2 * Probes1 * Cable1 * Reflux Bar1 * User Manualdose not include adapter.Packed by Original Retail Box.