An upgraded BT12, manufactured in 2011 GE Vivid S6. Premium Image quality in a small, compact, ergonomic package. The M4S, matrix array adult cardiac transducer provides stellar pictures compared to any competitive model in this price range. Ergonomically, its lightweight, very easy to maneuver and has a quick boot up time. It is also feature rich, sharing many of the same breakthrough GE technology as the Vivid 7 Dimension and the Super Premium, Vivid e9. Very good condition, coming off a GE service contract as well.