Partial Refresh Support, Low , Wide Viewing Angle, Paper-Like Effectperfect for price tags, shelf labels, industrial instruments...Size:2.13inch /Resolution:250x122Viewing Angle:Greater than 170degrees /Display Color:Black and WhiteGrey Scale:2/Touch Type:CapacitiveTouch Points:I2C/Touch Panel:Toughened GlassCommunication:SPI/ Consumption:Ultra LowDisplay Duration:Persists without /Display Panel:E-paperExperience:Paper-like/Comfortably Reading:Eye Care, No BluelightEnvironment:Ambient Light Required/Display Type:Passively Reflective/Refreshing:Partial Refresh SupportOPERATING VOLTAGE:3.3V/GREY SCALEINTERFACE:3-wire SPI, 4-wire SPIOUTLINE DIMENSIONS: 69.15 x 38.90mmDISPLAY SIZE:48.55 x 23.70mmDOT PITCH:0.194 x 0.194mmPARTIAL REFRESH TIME:0.FULL REFRESH TIME:2sREFRESH :26.4mW(typ.)STANDBY CURRENT:Less than 0.01uA (almost none)TOUCH POINT:5 (max)Colour:blackMaterial:PCBSize:69.15 x 38.90mmPackage Contents:1 x 2.13inch e-Paper HATOnly 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.