1. Display is a seamless human-machine interface (HMI) solution that provides control and visualization interfaces between humans and processes, machines, applications or devices. 2. Display is mainly used in of Internet of Things or consumer electronics. It is the best solution to replace traditional LCD and LED digital tubes. 3. Through Editor software (official download), users can create and design their own display interface. 4. Working with insufficient power can damage the model with blurred and flickering screen You may be suffering from a power shortage. 5. Power off the first time No more repeated attempts to damage models A small connector is included in the package. Please try to power the Display with a phone charger through the connector to check if the Display is working properly. A high quality usb cable is required. Product Description color: blue Material: ABS Color: 64K 65536 colors 16-bit 565, 5R-6G-5B Resolution: 480x320 pixels can also be set to 320x480 touch resistive Number of touches: 1 million Backlight: LED Backlight life: (average) 30,000 hours Brightness: 200nit (NX4832T035_011N) 0% to 100% in 1% steps 180 nit (NX4832T035_011R) 0% to 100%, adjusted in 1% steps Operating voltage: 4.75 5 7 V Operating current: VCC=+5V, 100% brightness - 145 - mA Sleep Mode: - 15 - mA Recommended power supply: 5V, 500mA, DC Working temperature: 5V, humidity 60%-20 25 70C Storage temperature: -30 25 85 C Working humidity: 25 10% 60% 90% RH Serial port baud rate: standard 2400 9600 115200 Output high voltage: IOH=-1mA 3.0 3.2 V Output low voltage: IOL=1mA 0.1 0.2 V Input high voltage: 2.0 3.3 5.0 V Input low voltage: -0.7 0.0 1.3 V Serial mode: TTL Serial port: 4Pin_2.54mm SD card slot: Yes (FAT32 format), maximum support 32G -SD card The microSD card slot is dedicated for upgrading firmware/HMI design Flash memory: 16 MB for storing fonts and images RAM: internal storage variable 3584 Package Contents: 1 x 3.5 inches Display 1 supply test board 1 x 4-pin grove cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.