Do not buy this product. I had problems from day 1 with the cannula getting bent while inside me. No occlusion alarms sounded to warn me that anything was happening. When I called customer support the blame was always put on my technique. For crying out loud the cannula insertion is AUTOMATIC. I decided to play along. I wanted to return the product but I also wanted to give it a chance (beware because they only give you 30 days...what?). I had to arrange a face to face meeting with my area nurse/rep that would watch me prime the pump and... read full review »