| Brand | Compass Health |
|---|---|
| Unit Type | Unit |
| Model | Compass Health If 4000 |
| Battery Type | 9-volt |
Check the listing for details. Compass Health IF-4000 Analog Interferential Unit Tens Unit Stimulation. Condition: New – Open box. Listed at 79.99 USD. Compass Health IF-4000 Analog Interferential Unit Tens Unit Stimulation Brand new and never used. Includes the original 9-volt battery that will not likely work given its age. Works on battery or included adapter. One corner of the case has some damage from storage as shown in the photos. Includes 4 stimulation pads. Pet and smoke free home.