8 Chamber Bio Compression Sequential Circulator SC-2004-DL/SC-2008-DL Features 8 chamber system Unilateral or bilateral capability Adjustable pressure between 10 mmHg and 120 mmHg Adjustable cycle time between 60 and 120 seconds Built in countdown timer or continuous mode Focus therapy Pause button Compliance meter Health Benefits Manages Pain Reduces Swelling Promotes Wound Healing and Prevents Infection Improves Lymphatic and Vascular Flow Specifications Dimensions: 4.5” x 12” x 7.34” / 11 cm x 30 cm x 18 cm Weight: 3.65 lbs. / 1.66 kg Cycle times: 60 – 120 seconds in 15 second increments Pressure Range: 10 - 120 mmHg My mother never got to use it but if you have any questions, please let us know and proceeds are helping towards college tuition