Includes 1 KX-VC600NA codec with remote and 1 KX-VCA001NA microphone. Specify display and cameras as needed. 1080i HD clarity is supported over bandwidths as low as 1.5 Mbps. 360 degree microphone provides high intelligibility without clipping and delays. Customizable user settings allow the system to be tailored for end user. The KX-VC600 can link up to 4 different system locations.