Features <b> <br> The backlight does not keep displaying the last content for a long time even when the power is turned off <b> <br> Ultra-low power consumption, basically power is required only for refreshing <b> > <br> SPI interface requires minimal IO pins <b> <br> <b> <br> Specifications <b> <br> Operating voltage: 3.3V <b> <br> Interface: 3 wires Formula SPI, 4-wire SPI <b> <br> External dimensions: 65.00 x 30.50 mm <b> <br> Display size: 48.55 x 23.70 mm <b> <br> Dot pitch: 0.194 x 0.194 mm <b> < br> Resolution: 250 x 122 pixels <b> <br> Display color: Black, white <b> <br> Grayscale: 2 <b> <br> Partial refresh time: 0.3 seconds <b> <br> Full refresh Time: 2 seconds <b> <br> Refresh power: 26.4mW (typ.) <B> <br> Standby current: <0.01uA (almost none) <b> <br> Viewing angle:> 170 ° <b> <br>