body { font-size: 75%; color: #000; font-family: Open Sans,Arial,Helvetica,sans-senif,SimSun,"宋体"; line-height: 1.3; } dl { margin: 0px; width: 480px; float: left; } dt { width: 100px; height: 15px; float: left; } dd { width: 240px; height: 15px; float: left; } dl dt { margin: 0px; line-height: 22px; color: #474747; font-size: 14px; font-family: tahoma; } #product-desc { width: 100%; height: 209px; } #description { width: 100%; height: 50%; } #details { width: 100%; height: 50%; } .ui-box-title { height: 30px; font-size: 15px; font-family: tahoma; font-weight: bold; background-color: #ddd; text-anchor: inherit; padding-top: 8px; margin: 0px; } .ui-box-body { margin: 0px; } #tbspecifics { border-right: 1px solid black; border-bottom: 1px solid black; } #tbspecifics tr { height: 30px; } #tbspecifics td { width: 100px; border-left: 1px solid black; border-top: 1px solid black; } Waveshare 2.9 Inch E-Ink Display Local Refresh 296X128 Resolution Communication Interface for Raspberry Pi 4 /No backlight, power can be a long time to maintain the display of the last screenVery low power consumption, basically only on refresh control interface, can acce for Raspberry Pi/Jetson Nano/ST2 and other main control boardOnboard level conversion chip, compatible with 3.3V and 5V microcontroller interfaceProvide complete information manual (for Raspberry Pi/Jetson Nano/ST2 and other sample programs)SpecificationWorking voltage: 3.3V/5VCommunication interface: 3-wire , 4-wire Dimensions: 89.5x 38mmDisplay size: 66.89 x 29.05mmResolution: 296 * 128pixelsDisplay color: black and whiteGray level: 2Partial refresh: 0.3SRefresh power consumption: 26.4mW(typ.)Sleep current: Le than 0.01uA (close to 0)Viewing angle: Greater than 170°color: blueMaterial: Plastic+MetalPackage Contents:1 * Display1 * 20cm Connection CableOnly the above package content, other products are not included.Note: Light shooting 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.