Features: brand new and high quality SX1276 chip based on ESP32 Wi-Fi, 868 915 MHz frequency, high sensitivity over -148 dBm, + 20 dBm output power, high reliability, long-transmission distance. Onboard 32 MB flash Wi-Fi antenna, 0.96-inch OLED display, lithium battery charging circuit, CP2102 interface and USB serial chip, support for development environmentperfectly, can be used for program checking, product development is very easy and fast. Lithium battery charge and discharge circuit, when the battery is full, the blue LED will stop working. When using, pay attention to the positive and negative of the battery, otherwise it will be damaged! With IO port for touch screen for touch signal input, you need to add the 100nF pull-down capacitor to this pin! The 868/915MHz antenna needs to be in connection with the IPEX interface (if the antenna is not connected, it may damage the LoRa chip) Specifications: Material:PCB Size:as the Picture Show Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package includes: 1 Pair LORA32 915mhz Wifi Development Board