関連ワード:  do drones have lights at night    do drones need lights at night    do drones have white lights at night    do drones have green lights at night    do drones have red lights at night    do drones have flashing lights at night    do drones have blue lights at night    do military drones have lights at night    do drones have green flashing lights at night    do drones have red and green lights at night