Intelect Transport Stimulator 2 Channel Oxygen Conserver Concentrators use the probe ear without Instrument and Solution Stands use the probe ear without times limitation s easy height adjustment * Includes Standard Handgrips * Weight capacity 333 lbs * Directional Casters align the rear casters to track in a straight line to assist the user in controlling the direction of the EVA Walker * Step ON for directional tracking Step OFF unlocks the directional tracking * NOTE: Caster locks are only on the front casters on models with Directional Casters * 2 channels of electrical stimulation output * Logical control system and a large easy to read graphical LCD display * 4 standard waveforms on board: Interferential Premodulated High Volt and Russian * Ten user defined memory positions for User Protocols * Independently intensity and parameter controls for each channel * Unit uniquely designed for tabletop wall mount therapy cart or mobile use * 110V or battery powered option * Optional Therapy Cart integrates with the unit to maximize storage of clinical supplies * Two year warranty