Oculur is a fire-fighting equipment that integrates the sensor into the mask and the water jet nozzle. The collected data is displayed by AR, and the mode will switch from AR to VR when the visibility is poor, providing all-terrain 3D depiction. It can also do AI calculations by collecting the temperature and high temperature distribution data to predict flashover. The thermal imager can recognize the position of the waterline, the angle of the water jet nozzle and the trapped people. The sensor on the nozzle head can provide its precise operation. Oculur provides an effective means of rescue.