Amazfit T-Rex Pro Smart Watch Rugged design for the ultimate outdoor experience MIL-STD certification for Water, Saline Water, Blizzard of -40 Celsius, and Extreme Heat of 70 Celsius GPS+GLONASS, GPS+BeiDou, GPS+Galileo 1.3" AMOLED AOD Screen 100+ Sport Modes Supported 10 ATM Water Resistance (100M Depth) Typical usage: up to 18 days Heavy usage: up to 9 days GPS continuous working time: up to 40 hours Price 19500 Birr