Philips RC9800I Multimedia Control Panel. Display: LCD, Display diagonal: 88.9 mm (3.5 "), Display resolution: 320 x 240 pixels. Wireless LAN type: 802.11b. Battery technology: Lithium Polymer (LiPo), Battery type: Lithium Polymer, Battery life (max): 3 h. Operating temperature range (T-T): 5 - 45 °C. Cables included: USB