It has voice collection function; video image collection function; data transmission function; GPS positioning function; (accurately monitors the position of fire fighters) zoom function; (can enlarge the image ten times to zoom in on distant objects) to see nearby) High-definition 720P video storage function; (clearer images); Monocular display function; (personnel can view the front image locally to better understand their position and situation) Bluetooth transmission function; Thermal imaging function; Night video function and other functions; 4G transmission function, etc.