SoftFlex Colostomy Barrier With 13 16 Inch Stoma Opening, 1 Box of 10 Ladies 15 20 Thigh Hi System includes: TENS 7000TM device Hip Kits System includes: TENS 7000TM device One (1) pair of lead wires four self adhesive reusable electrodes 9V battery hard plastic carrying case quick start guide and instruction manual Compliance Meter: stores 60 records up to 999 hours Power Source: 9 volt battery Modes: Burst Modulation Constant MRW SD1 and SD2 Channels: Dual channel for use with two or four electrodes Timer: Variable 5 60 minutes or continuous it protects your skin from bodily fluids and waste individually packaged transparent trays Adapt flat barrier rings feature a Flextend M skin barrier formula that may be cut or stretched to improve the fit