Features: Dual-channel: for simultaneous use on two users or the ability to use 4 pads
5 auto programs
3 massage modes
Liquid crystal display
Intensity range: 0-80 volts
Pulse rate: 0-120 Hz adjustable
Pulse width: 0-200 us
Timer: 15 minutes
Electrodes: 1.5" x 1.5", 4/pkg
FDA approved
Specifications: System includes: Main unit, (4) Self-Stick Hypoallergenic electrode pads, (2) Lead Wires