Onboard high-precision clock chip provides precise time control<br> Optimize PCB space and increase fixing screw holes<br> Immersed gold process. Prevent oxidative , enhance welding performance, and improve electrical performance. Better durability and reliability to face more usage scenarios<br> Adopts for HAT+ standard. Improve the interoperability of expansion boards, help developers design and develop faster, use external devices more easily, and expand the functions and performance of<br> No backlight is required, and the last screen display content can be maintained for a long time when the power is turned off<br> Dimensions: 2.13 inches<br> Driver board size: 65mm x 30.5mm<br> Display size: 48.55mm x 23.71mm<br> Overall dimensions (bare screen): 59.2mm x 29.2mm x 1.05mm<br> Working voltage: 3.3V<br> Communication interface: SPI<br> Point pitch: 0.194mm x 0.194mm<br> Resolution: 250x122<br> Display color: black, white<br> Grayscale: 2<br> Refresh time: 2s<br> Partial refresh: 0.3s<br> Fast refresh: 1.8s<br> Refresh power consumption (bare screen): 10.5mW (typ.)<br> Standby power consumption (bare screen): Less than 0.01mW (typ.)<br> Working temperature: 0~ 50<br> Storage temperature: -25 ~ 70<br> Colour:As Shown<br> Material:PCB<br> Package Contents:<br> 1x E-Ink Display Module<br> 1 Set x Hexagonal Copper Post kit<br> Only the above package content, other products are not included.<br> 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.