Fangrui Product Details 1. 12 Modes Tens Machine Low Frequency Pulse Physiotherapy Device For Pain Relief 2. 12 Pre-coded Massage Modes, Easily Press The [mode] Button To Provide Pain Relief To Body Parts. 3. 40-degree Adjustable Intensity And 30-minute Default Timing. Intensity And Time Can Be Adjusted According To Different Needs. 4. This Electronic Pulse Massager Can Be Used By 2 Users And Can Also Be Used For Different Target Areas. 5. Relieves Pain In All Parts Of The Body. You Can Stick The Mat To Your Shoulders, Neck, Back, Waist, Arms, Elbows, Abdomen, Legs, Etc. For Massage. 6. Pocket Size, You Can Relax At Home, Office Or While Traveling. Enjoy Your Relaxing Time Anytime And Anywhere. 7. Specification: 8. Material: Abs 9. Monitor: Lcd Monitor 10. Power: Dc4.5v 11. Power Supply: 3 Aaa Batteries (not Included) 12. Output Voltage: 0-40 (vpp) 13. Strength Level: 0-40 14. Output Power: 1- 120hz 15. Output Pulse Width: 100-250us 16. Package Contents: 17. 1 X Master Device 18. 4 X Electrode Pads 19. 2 X Cable Electrodes