Guilin AXILIU Aviation Technology Co., Ltd. (hereinafter referred to as " AXILIU Technology" ) is the originator of domestic tethered lighting UAV. It is the first to realize the 24-hour air presence of DJI and various brands of UAVs. In 2016, the tethered UAV system independently developed by the AXILIU team consists of tethered power supply, UAV, dual optical thermal imaging lens, airborne power supply, air-ground integrated searchlight group, megaphone, thrower, etc. It is suitable for emergency lighting, emergency communication and emergency monitoring, and is essential equipment for emergency rescue.