Fire is red, which has the function of exorcising evil spirits in ancient times, while the center of invisible gossip is red flame, and the divination in gossip is also red, so the flame symbolizes justice, peace and light, giving people a warm feeling.
The meaning of Jinyan Guanyin pendant is named after the Buddha's posture with a round flame and bright light behind it. Represents calmness and firmness.
I hope the answer can help you.