1、This 7.5inch E-Ink Display HAT is specially designed for RPi. Suitable for RPi 2B/3B/3B+/Zero/Zero W. 2、Features the resolution of 640 * 384 and its embedded controller, easy to use via SPI interface. 3、SPI interface for connecting with other controller boards, for Raspberry/Nucleo, etc. 4、With its wide viewing angle(&gt;170°) and clear display even under direct sunlight. 5、Ultra-low power consumption (standby power: &lt;0.017mW) - Almost only need to consume power when refreshing.(Refresh power: 38mV(typ.) Features: This 7.5inch E-Ink Display HAT is specially designed for RPi. Suitable for RPi 2B/3B/3B+/Zero/Zero W. Features the resolution of 640 * 384 and its embedded controller, easy to use via SPI interface. SPI interface for connecting with other controller boards, for Raspberry/Nucleo, etc. With its wide viewing angle(>170°) and clear display even under direct sunlight. Ultra-low power consumption (standby power: <0.017mW) - Almost only need to consume power when refreshing.(Refresh power: 38mV(typ.) E-Ink screen module is widely used for shelf labels, industrial meters and other display applications. Specification: Type: 7.5inch E-Ink Display HAT Suitable brand: ForRPi Interface: SPI Working voltage: 3.3V Dot Pitch: 0.255 * 0.255 Resolution: 640 * 384 Grey level: 2 Refresh power: 38mV(typ.) Standby power: <0.017mW Viewing angle: >170° Full refresh time: 6s Interface: VCC: 3.3V GND: GND NC: NC DIN: SPI MOSI pin CLK: SPI SCK pin CS: SPI chip selection, low active DC: Data/Command selection (high for data, low for command) RST: External reset, low active BUSY: Busy status output, low active Material: PCB + Tempered Glass Color: Black and White Weight: Approx. 182g Display size: Approx. 163.2 * 97.92mm / 6.4 * 3.9in Outline size: Approx. 170.2 * 111.2mm / 6.7 * 4.4in Package list: 1 * 7.5inch E-Paper Hat 1 * E-Paper Driver Board 1 * PH2.0 20cm 8Pin Cable 1 * RPi Screws Kit(2Pcs) Note: 1. Please allow slight error due to manual measurement. Thanks for your kind understanding. 2. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.