InTENSity Select Combo II Lamps Infrared 5 H (at rails) * 16 7136 5 H (at rails) * O2 holder standard * IV pole standard * So all you have to do is let it dry and replace the battery NOTE: Class II Rx Required * With the powerful rechargeable lithium ion battery this portable device can be used at home at work or on the go * The InTENSity Select Combo II is the newest standard in portable multifunction electrotherapy offering patients four (4) modalities in one user friendly ergonomic design Transcutaneous Electrical Nerve Stimulation (TENS) Neuromuscular Electrical Stimulation (NMES) Interferential Stimulation (IF) and RUSSIAN (RUSS)