T-Rex 3 Pro:

• Scratch-resistant sapphire glass with a vibrant 1.5" AMOLED display (48mm)
  Scratch-resistant sapphire glass with a vibrant 1.32" AMOLED display (44mm)
• 6 satellite system positioning with offline maps, route planning, and POI search
• 180+ sport modes including hiking, rucking, and recreational diving.
• Built-in Two-Color LED Flashlight with Boost Mode
• Built-in Speaker and Microphone for Bluetooth Calling
• Military-grade design with a grade 5 titanium bezel and buttons
• Up to 25 days battery life (48mm)
  Up to 17 days battery life (44mm)