U Sling X lg Polyester w Head Support Padded Emergency First Aid Products Non Operation temperature： 20℃~60℃ 4℉~140℉ Patient Lifters Slings Parts Non Operation temperature： 20℃~60℃ 4℉~140℉ 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 * The Hoyer Padded U Sling with Head Support features durable polyester with closed cell foam padding and nylon head support for user comfort * Product Weight Capacity: 600 lbs * Shipping Weight: 4 lbs *