Here are the key specifications for the Apple iPad Pro 12.9" 3rd Gen:

General:

• Product Name: Apple iPad Pro 12.9" 3rd Gen
• Brand: Apple
• Model Family: iPad Pro (3rd Generation)
• Year of Release: 2018
• Color: Space Gray, Silver

Display:

• Display Type: Liquid Retina display with ProMotion technology, True Tone, and wide color
• Screen Size: 12.9 inches
• Screen Resolution: 2732 x 2048 pixels

Processor:

• Processor Brand: Apple
• Processor Model: Apple A12X Bionic chip with 64-bit architecture and Neural Engine

Storage:

• Total Storage Capacity: Available in 64GB, 256GB, 512GB, 1TB (Depending on the model)
• System Memory (RAM): 4GB or 6GB (Depending on the model)

Compatibility:

• Operating System: iPadOS (Upgradable to the latest version supported)

Connectivity:

• Wireless Connectivity: Wi-Fi 802.11 a/b/g/n/ac, dual-band
• Bluetooth Version: 5.0
• GPS Enabled: Yes, with A-GPS, GLONASS, GALILEO, QZSS
• Charging Interface(s): USB Type-C

Camera:

• Rear-Facing Camera: 12 MP, f/1.8, autofocus, OIS
• Front-Facing Camera: 7 MP, f/2.2

Battery:

• Battery Type: Lithium-polymer
• Battery Life: Up to 10 hours of multimedia usage

Dimensions & Weight:

• Dimensions: 11.04 x 8.46 x 0.23 inches (280.6 x 214.9 x 5.9 mm)
• Weight: 1.39 pounds (631 grams)