This is the newest low-cost LifeSize Express 720p HD video conferencing solution. It has an MSRP of $5,999 which is nearly half the price of competing 720p HD conferencing solutions on the market. The LifeSize Express has dual-input capability and it has HDMI input and output which carries audio. The 720p codec in this model is limited to 1.5 mbps.
See George Ou's blog for more details.