http://www.apple.com/ipad/.

Tech specification on the I-pad

Display

• 9.7-inch (diagonal) LED-backlit glossy widescreen Multi-Touch display with IPS technology
• 1024-by-768-pixel resolution at 132 pixels per inch (ppi)
• Fingerprint-resistant oleophobic coating
• Support for display of multiple languages and characters simultaneously
• Wi-Fi (802.11a/b/g/n)
• Bluetooth 2.1 + EDR technology
• UMTS/HSDPA (850, 1900, 2100 MHz)
• GSM/EDGE (850, 900, 1800, 1900 MHz)
• Data only²
• Wi-Fi (802.11a/b/g/n)
• Bluetooth 2.1 + EDR technology
• Wi-Fi
• Digital compass
• Assisted GPS (Wi-Fi + 3G model)
• Cellular (Wi-Fi + 3G model)

Wireless and cellular

Wi-Fi model

Wi-Fi + 3G model

Location

Capacity³

• 16GB, 32GB, or 64GB flash drive

Processor

• 1GHz Apple A4 custom-designed, high-performance, low-power system-on-a-chip

Sensors

• Accelerometer
• Ambient light sensor

Audio playback

• Frequency response: 20Hz to 20,000Hz
• Audio formats supported: AAC (16 to 320 Kbps), Protected AAC (from iTunes Store), MP3 (16 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, and 4), Apple Lossless, AIFF, and WAV
• User-configurable maximum volume limit

TV and video

• Support for 1024 by 768 pixels with Dock Connector to VGA Adapter; 576p and 480p with Apple Component AV Cable; 576i and 480i with Apple Composite AV Cable
• H.264 video up to 720p, 30 frames per second, Main Profile level 3.1 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; MPEG-4 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats

Battery and power⁴

• Built-in 25-watt-hour rechargeable lithium-polymer battery
• Up to 10 hours of surfing the web on Wi-Fi, watching video, or listening to music
• Charging via power adapter or USB to computer system

Input and output

• 30-pin dock connector
• 3.5-mm stereo headphone jack
• Built-in speaker
• Microphone
• SIM card tray (Wi-Fi + 3G model only)

Mac system requirements

• Mac computer with USB 2.0 port
• Mac OS X v10.5.8 or later
• iTunes 9.0 or later (free download fromwww.itunes.com/download)
• iTunes Store account
• Internet access

Windows system requirements

• PC with USB 2.0 port
• Windows 7; Windows Vista; or Windows XP Home or Professional with Service Pack 3 or later
• iTunes 9.0 or later (free download fromwww.itunes.com/download)
• iTunes Store account
• Internet access

Environmental requirements

• Operating temperature: 32° to 95° F (0° to 35° C)
• Nonoperating temperature: -4° to 113° F (-20° to 45° C)
• Relative humidity: 5% to 95% noncondensing
• Maximum operating altitude: 10,000 feet (3000 m)

The above information was obtained from the apple website at http://www.apple.com/ipad/specs/