airCUE-6X04 Main Features - 6.4" active matrix touch screen display 640 x 480 pixels - Two-way wireless radio communication 433 MHz - Wired Ethernet connection - Power over Ethernet (PoE) IEEE 802.3af compatible - Battery charging from Power over Ethernet - Four programmable buttons - Web server and Admin Web pages for setup and diagnostics - Built-in microphone and speaker - Built-in light and motion sensors - Internal Li-Ion rechargeable battery pack - Wireless, wired tabletop and wired wall mounting usage - Tabletop and wall docking stations for charging