Viper GT 16 Recl Flip Back Rem Desk Arms SEL Hot Cold Therapy SYNCHROSONIC U 50 * The versatile MSHQ 84306 SYNCHROSONIC U 50 * The versatile SynchroSonic U 50 provides therapeutic ultrasound which may be applied separately or which may be combined with electrical stimulation simultaneously through the ultrasound transducer using an external electrical stimulator * The cable fault alarm system is an added feature of the U 50 * This system will detect improper transducer cable connection and or transducer cable damage * If such detection is made an audible signal will alert the practitioner * Delivers up to 20 watts variable or non interrupted power * U50 For Use with Combination Therapy * Compatible system:Android 4 Front caster forks are adjustable in three positions Comes standard with swing away elevating leg rests