Amazfit T-Rex 3 3.81 cm (1.5") AMOLED Digital 480 x 480 pixels Touchscreen Stainless steel GPS (satellite)Ready for Anything With its super large, bright display and military grade1 body, the Amazfit T Rex 3 is ready for any challenge you set your sights on. Big, Bright, and Easy to Read Able to reach 2,000 nits peak brightness2, the AMOLED display makes every turn on your map and every detail of your workouts clear at a glance. Turn on night display and your data will be illuminated in bright red, green, or orange, making it easier on your eyes to read