This is a 1.54 inch IPS LCD high definition liquid crystal display chip driver module, and it released ST7789 and SPI.IPS LCD display. High Efficiency Definition.. Adjust the direction of the display. Full field of vision.Working temperature: -20 Celsius - 70Celsius. Humidity: 5 percent - 95 percent relative humidity.Product name: 1.54 inch IPS LCD liquid crystal display moduleOperating voltage: 3.3VScreen size: 1.54 inchResolution: 240 x 240Interface type: SPI outputDriver chip: ST7789Number of needles: 8Working temperature: -20 Celsius - 70 CelsiusWorking humidity: 5 percent to 95 percent RHCommon pins:GND: negative of the power supplyVCC: 3.3V input powerSCL: SPI clock terminalSDA: SPI data terminalRES: OLED screen reset terminal (need to reset once after power on)DC: data or terminal: activation signal (available at low level): control (available at low levels)Color: BlueMaterial: PCBSize: 44 x 32 x 4mmPackage contents:1 x 1.54 inch IPS LCD Liquid Crystal Display ModuleOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm.