As long as the lights are on, there will be much fewer Yanqi horses in this area. More importantly, it has the function of exorcism.
It's not a fool to say it's weird, mainly because this light can restrain some ghosts.
Besides, I don't know whether the gate you mentioned is the gate of the courtyard of the bungalow or the entrance door.
If it is at the gate of the compound, the influence will be slightly weaker.
If it is the door of the house, here, you can definitely curb the monster.
This can even be compared with the magic of Maoshan Sect.