1. Built-in 15 different pre-programmed stimulation modes for multipurpose massage experience to effectively relieve pain and fatigue, promote blood circulation and metabolism or stimulate muscle for enhanced muscle performance of different body parts like head, shoulder, waist, back, buttocks, legs and etc. 2. Large 2.0inch backlight LCD display enables clear and direct working status indication of remain battery power, mode, intensity and timer both during the day or night, even in the dim environment. 3. control design, you can effortlessly switch modes, set timer and adjust intensity levels, and power on/off on the operation panel according to your massage preference. 4. Support 4 outputs(CH1, CH2, CH3, CH4 Channels) to allow customization applications on different body areas with different massage intensities simultaneously, practical to share with your friends or family members together. 5. Well organized and stored in a package box, ideal gift to show the care for your loved such as your family or friends, really a practical personal fitness keeper device in the busy modern life. Power Supply:3xAAA Battery(Batteries are NOT Included) Max. Output Power:Less than 0.25W Standby Current:less than equal 0.6uA Input Voltage:DC 4.5V Rated Current:less than equal 50mA Rated Power:less than equal 0.25W Intensity Stage:20 Levels Timer:10/20/30/40/50/60/70/80 Min Use Time:about 60 MIN 15 Massage Modes: 1. Neck 2. Shoulder 3. Back 4. Elbow 5. Hip 6. Ankle 7. Knee 8. Hand/Foot 9. Wrist 10. Knead 11. Acupuncture 12. Tapping 13. Cupping 14. Scraping 15. Random Colour:Silver Material:Plastic Package Contents: 1 * EMS Electric Muscle Stimulator 8 * Electrode Pads 4 * Electrode Wires 1 * English instruction manual 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.