This product is an industrial-grade oxygen concentration detector integrated with LoRa wireless communication functionality. Adopting the galvanic cell diffusion principle, it can continuously and stably monitor the oxygen concentration in the environment and remotely transmit data to the monitoring center via the LoRa network. Equipped with local digital display, automatic calibration and other functions, the product is particularly suitable for various industrial sites and warehousing environments that require wireless remote monitoring of oxygen concentration, enabling early warning and real-time management of potential hazards.