Order # 45004409 Manufacturer MDS450PEN Manufacturer Medline Application Hand Pendant For Use With For Patient Lift 400/600SA, 400/600EL PRE 05/2013 Specifications 2.5 X 3.75 X 8.25, 2.000 Weight UNSPSC Code 42192307 Patient lift hand pendant for these models purchased prior to may 2013: MDS400EL, MDS600EL, MDS400SA and MDS600SA