Onboard high-precision clock chip provides precise time control Optimize PCB space and increase fixing screw holes Immersed gold process. Prevent oxidative , enhance welding performance, and improve electrical performance. Better durability and reliability to face more usage scenarios Adopts for HAT+ standard. Improve the interoperability of expansion boards, help developers design and develop faster, use various external devices more easily, and expand the functions and performance of No backlight is required, and the last screen display content can be maintained for a long time when the power is turned off Dimensions: 2.13 inches Driver board size: 65mm x 30.5mm Display size: 48.55mm x 23.71mm Overall dimensions (bare screen): 59.2mm x 29.2mm x 1.05mm Working voltage: 3.3V Communication interface: SPI Point pitch: 0.194mm x 0.194mm Resolution: 250x122 Display color: black, white Grayscale: 2 Refresh time: 2s Partial refresh: 0.3s Fast refresh: 1.8s Refresh power consumption (bare screen): 10.5mW (typ.) Standby power consumption (bare screen): Less than 0.01mW (typ.) Working temperature: 0~ 50 Storage temperature: -25 ~ 70 Colour:As Shown Material:PCB Package Contents: 1x E-Ink Display Module 1 Set x Hexagonal Copper Post kit 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.