Adafruit 1.54" Wide Angle TFT Display is designed with a high-density 220ppi and 240 x 240 pixel In-Plane Switching (IPS) display with full angle viewing. This TFT display operates with a 4-wire SPI to communicate and has its own pixel-addressable frame buffer that can be used with almost any MCU. The display features an ultra-low-dropout 3.3V regulator and a 3V or 5V level shifter with a 3.3V or 5V power supply and logic. This 1.54" wide-angle display has a built-in microSD card holder that can quickly load full-color bitmaps from a FAT16/FAT32 formatted microSD card. The TFT display is available in 32mm x 31mm LCD screen dimensions and 42mm x 41mm x 6mm overall dimensions. This 1.54" wide angle TFT display is used in smartwatches and small electronic devices.