MCU: NRF52840 FLASH: 2MB RAM: 256kB Bus protocols: UART, SPI, TWI, PDM, I2S, QSPI Wireless communication: Bluetooth 5, Thread Bluetooth Mesh, ANT, 802.15.4, Zigbee Expandable BME280 digital humidity, pressure, and temperature sensor Features6: Global frequency coverage: 400~520, 830~945 MHz Features7: 1.54-inch SPI e-ink screen Resolution: 200x200 Features8: All refresh times: 2 seconds Features9: L76K Multi-System Positioning GNSS Module: GPS/GLONASS/ QZSS Features10: Plus version new features: BHI260AP IMU + Vibrations Motor + 2400mAh Battery + Buzzer MCU: NRF52840 FLASH: 2MB RAM: 256kB Bus protocols: UART, SPI, TWI, PDM, I2S, QSPI Wireless communication: Bluetooth 5, Thread Bluetooth Mesh, ANT, 802.15.4, Zigbee Expandable BME280 digital humidity, pressure, and temperature sensor Global frequency coverage: 400~520, 830~945 MHz 1.54-inch SPI e-ink screen Resolution: 200x200 All refresh times: 2 seconds L76K Multi-System Positioning GNSS Module: GPS/GLONASS/ QZSS Plus version new features: BHI260AP IMU + Vibrations Motor + 2400mAh Battery + Buzzer Color: As Shown Material: ABS Specification: 915MHz Package Contents: 1* T- Plus L76K LoRa 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.