The Flowtron HydrovenTM intermittent pneumatic compression (IPC) system provides clinically effective, non-invasive dynamic compression to the limbs to treat a wide variety of vascular and lymphatic conditions, including 1) venous ulceration 2) dependent and traumatic edema and 3) chronic venous insufficiency. Can be used with Hydroven Inserts. Easy tubing connection for simple set up. The Flowtron Hydroven 3 System has been ergonomically designed for efficient use in many different situations from the clinic to the home. The controls, indicators and connectors are simple to use and can be accessed with ease. Please note this item is not returnable once the retail packaging is opened. Our customer service staff is available to answer questions and assist with selection. Power: 110-120V AC 60Hz. Size: 10.6 x 5.5 x 5.5. Weight: 5.25 lbs. Pressure Range: 30-100 mmHg. Cycle Time: 90 seconds inflation. 90 seconds deflation.