Chapter 1 3• Write: 24X CD-R, 16X CD-RW, 8X DVD-R, 8X DVD+R, 4X DVD-R DL, 4X DVD+R DL, 6XDVD-RW, 8X DVD+RW, 5X DVD-RAMCommunication• Acer Video Conference, featuring:• Acer Crystal Eye 1.3 MP webcam, 1280 x 1024 resolution• WLAN:• Acer InviLink™ Nplify™ 802.11b/g/n Wi-Fi CERTIFIED™• Acer InviLink™ 802.11b/g Wi-Fi CERTIFIED™• Supporting Acer SignalUp™ wireless technology• WPAN:• Bluetooth® 3.0+HS• Bluetooth® 2.1+EDR• LAN: Gigabit Ethernet, Wake-on-LAN readyPrivacy control• BIOS user, supervisor, HDD passwords• Kensington lock slotDimensions and weight• 381 (W) x 253 (D) x 25/34 (H) mm (15 x 9.9 x 0.98/1.3 inches)2.6 kg (5.74 lbs.)10 with 6-cellbattery packPower subsystem• ACPI 3.0 CPU power management standard: supports Standby and Hibernation power-savingmodes• 3-pin 65 W AC adapter:• 108 (W) x 46 (D) x 29.5 (H) mm (4.25 x 1.81 x 1.16 inches)• 225 g (.49 lbs.)10 with 180 cm DC cable• 48.8 W 4400 mAh 6-cell Li-ion standard battery pack• Estimated battery life: up to 3 hours and 20 minutes• ENERGY STAR®Special keys and controls• 103-/104-/107-key keyboard, with inverted "T" cursor layout, 1.8 mm (minimum) key travel• Multi-gesture touchpad, supporting two-finger scroll, pinch, rotate, flip• 11 function keys, four cursor keys, two Windows® keys, hotkey controls, independent standardnumeric keypad, international language support• Media keys (printed on keyboard): play/pause, stop, previous, nextI/O interface• Multi-in-1 card reader (SD™, MMC, MS, MS PRO, xD)• Three USB 2.0 ports