Type: TFTProduct Name: Display Screen Panel ModuleSize: 3.5 InchResolution: 320*480Viewing Angle: 49.0mm*73.4mmBrightness: 300 cd m2Backlight life: 30,000 hoursWorking Temperature:-20°C ~ +70°CCPU: CortexM4Picture Switching Speed: 12 ms picture (83 pictures s) Interface: RS232 RS485 TTL UART Interface