... GPS Navigator, 4.8 inch GPS navigator(MODEL:SN-91)Welcome to use the GPS navigator,which is mainly used for navigating ... / MMC slot, the maximum capacity of SD Card supported reaches to 8GBAudio,A:Built-in high fidelity speaker B: High fidelity ... ] [Language] [Sys Info]Temperature: Operating Temperature: 0 to 60 Celsius degrees,Storage Temperature: -20 to 60 Celsius degrees,Working humidity range 45 ...