Features 1、7.3 Inch: This 7.3 inch electronic ink display, perfect for shelf label, industrial instrument and so on. 2、Display Without Electricity: This E paper screen display clearly display images without electricity, which can keep displaying last content for a long time even when power down. 3、Low Power Consumption: This 7.3 inch E paper screen display features super low power consumption, basically power is only required for refreshing. 4、170 Degrees: This electronic ink screen provides at least 170 degrees viewing angle, clearly display a picture in lights and natural light. 5、SPI Interface: This 7.3 inch electronic ink display adopts 3 wire SPI and 4 wire SPI interface. Specification Item Type: Electronic Ink Display Material: Electronic Ink. Printed Circuit Board Display Size: Approx. 160x96mm / 6.30 x 3.78in Operating Voltage: 3.3V Communication Interface: 3 Wire SPI, 4 Wire SPI Dot Pitch: 0.2x0.2mm Resolution: 800x480 Display Colors: Red, Yellow, Black, White Gray Level: 2 Refresh: 16s Refresh Power Consumption: < 85mW(typ.) Viewing Angle: >170 Degrees VCC: 3.5V/5V GND: GND DIN: SPI Communication MOSI Pin SCLK: SPI Communication SCK Pin CS: SPI Chip Select Pin (Active Low Level) DC: Data Command Control Pin (High Level Indicates Data, Low Level Indicates Command) RST: External Reset Pin (Low Level Reset) BUSY: Busy Status Output Pin Package List 1 x Electronic Ink Display 1 x Soft Flat Cable 1 x Connecting Wire 1 x Screw Kit