MCU nRF52840 (Bluetooth), LoRa chip SX1262. Low power consumption, deep sleep 11uA. Powerful display function, onboard 1.14-inch TFT-LCD display. 135 (H) RGBx240 (V) can display 262K colors. Rich interfaces (2x1.25mm LiPo connector, 2x1.25mm solar panel connector, 8x1.25mm GNSS module connector) greatly increase the scalability of the board. MCU: nRF52840 LoRa Node Chip: SX1262 Memory: 1M ROM 256KB Bluetooth: Bluetooth 5, Bluetooth mesh, BLE Storage temperature: -30-80 Operating temperature: -20-70 Operating Humidity: 90%(No condensing) Power Supply: 3-5.5V (USB),3-4.2(Battery) Display Module: LH114T-F03 Screen Size: 1.14 Inch Display Resolution: 135RGB x240 Active Area: 22.7 mm(H)x 42.72(V)mm Display Colors: 262K Hardware Resource: USB 2.0, 2xRGB, 2xButton, 4xSPI, 2xTWI, 2xUART,4xPWM, QPSI, I2S, PDM,QDEC Etc. Interface: Type-C USB, 2x1.25 lithium battery connector, 2x1.25 solar panel connector, LoRa ANT (IPEX1.0),8x1.25 GPS module connector, 2x13x2.54 Header Pin Colour:Photo Color Material:PCB+electronic components+plastic Package Contents: 1 x T114 With Screen kit 1 x GNSS Module 1 x case kit 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.