Beurer EM 49 digital TENS/EMS unit 

• Pain therapy (TENS)
• Muscle stimulation (EMS)
• Relaxation and massage
• Electrode positioning indicator
• Includes 4 self-adhesive gel electrodes (45 x 45 mm)
• 2 separately adjustable channels
• 64 pre-programmed applications
• 6 customisable programs: frequency, pulse width, on/off time programmable
• Adjustable intensity
• Countdown timer
• Safety switch-off
• Doctor's function for perfect coordination with your personal treatment programme
• Medical device
• Inverse LCD display with blue backlight