The product is applied to police criminal investigation, search and pursuit of fugitives; Public security traffic control, traffic accident scene investigation, dealing with coastal defense, border patrol, inspection, anti-drug, anti-smuggling; Public security and fire, all kinds of mining accidents and rescue, disaster relief, rescue operations, etc.; Also be used for a variety of monitoring sites, major enterprises, public institutions, major hotels, restaurants, a variety of office space, residential areas, major parks, tourist scenic spots and nature reserves of internal security, safety precautions, security patrols and many other places. For night (or in poor lighting conditions) deal with various emergency, engineering equipment repairs, and mining exploration operations, fishing operations at sea, ships, containers, cabin operations, rail operations, Outdoor repair work in nighttime, casual outings activities to provide a safe, reliable emergency lighting