Enhance your DIY projects with our versatile 1.54-inch E-Ink display module, compatible with a wide range of devices including for Arduino, STM32, and various for Raspberry Pi models. This SPI EPaper screen is perfect for applications requiring low power consumption and clear visibility in various lighting conditions. Low Power Consumption: Ideal for battery-powered projects. High Visibility: Clear display under direct sunlight. Wide Compatibility: Supports multiple platforms and development boards. Working voltage:Bare screen version:3.3V Display size: 27.0 x 27.0 (mm) Dot pitch: 0.135 x 0.135 (mm) Resolution: 200 x 200 pixels Display color: red, yellow, black, white Grayscale: 2 Fast refresh: 15 seconds Global refresh: 20 seconds Refresh power consumption: Less than 30mW Sleep current: Less than 0.01uA (close to 0) Viewing angle: Greater than 170 Due to different batches, there may be differences in product appearance and printed text, which will not affect use. Specifications:B:Bare Screen Version 1.54inch-E-Paper-(G) Colour:As Shown Material:glass Dimensions:bare screen version:37.32 x 31.8 x 1.00 (mm) Package Contents: 1 * E-Ink Display Module 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.