Polycom VSX 5000. Video codecs: H.261, H.263++, H.264, H.239, H.263, H.264. Voice codecs: G.711, G.722, G.722.1, G.722.1, G.728, G.729A. Weight: 1.94 kg. Power consumption (typical): 80 W. Operating temperature range (T-T): 0 - 40 °C, Operating relative humidity range: 15 - 80 %, Storage temperature range (T-T): -40 - 70 °C