As for what the other party said, "Shixi Master" was said, Qin Lang had never heard of it before.

It is rare for people who have been involved in mechanisms and formations these days.

Qin Lang secretly recorded the name of Master Shixi.

Confirm that the other party had walked away, Qin Lang walked out of the tree and entered a living room inside the wooden hut.

Taking advantage of the dim moonlight, Qin Lang found that the curtains in the living room had been pulled up, probably because of the four people before.

Anyway, Dongfang Aotian is dead, and this small wooden house has become a forbidden area for the Dongfang family. Even if someone inside the wooden house tampers, for example, put down the curtains that were originally pulled up, no one will find or suspect them.

Qin Lang put down his shoulder bag and took out a small flashlight from it.

The light of the strong flashlight is too bright, and it was prepared by Qin Lang to deal with underground treasure hunts. Now a small flashlight can meet the lighting needs.

The things in the living room are still neatly arranged. On the surface, there are no traces of human movements. Qin Lang deliberately checked the three places of the living room, namely the wall, ceiling and floor.

This is because the four people of unknown origin have been searched carefully before, and they have not found anything, so there is no need for them to search those conspicuous places.

After working hard for more than ten minutes, I found nothing in the living room.

Qin Lang entered Dongfang Aotian's bedroom from a small living room.

He understood the layout of the cabin, a living room, a bedroom, a study room, a balcony, a bathroom, and a large gym.

No kitchen, no second bedroom.

In the bedroom, Qin Lang continued to look for clues from the walls and the floor.

If there are really any treasures hidden in the wooden house, they should not be placed in places like safes, under the sofas, or in secret rooms, most of which are on the walls, under the floor, or in secret rooms.

To turn on the mechanism that opens these secret chambers, the first thing is to do is to reveal the switch.

Most of these switches are on the walls, floors and ceilings.

Qin Lang followed this idea and looked for it.

However, Qin Lang carefully checked the bedroom, and there was no hollow space or any mechanism to hide it.

Generally speaking, the bedroom is the place that people value the most, and the most secrets will be hidden in the bedroom.

Now there is nothing in the bedroom, Qin Lang is also a little suspicious whether it is Dongfang Aotian's treasure hiding place, not in the wooden hut.

Inside the shoulder bag, the quaint gold-made key and the induction magnetic card he brought were placed inside, but these two things could not become direct clues.

Qin Lang lowered the flashlight so that the light of the flashlight would not penetrate the window and shoot outside, and then quickly left the bedroom.

The next place to search is the study next to the bedroom.

However, Qin Lang estimated that the treasure in the study was very unrestrained.

The more important the room is, the more careful the four people in front will look for it.

There were four people on the other side, but they had nothing to find, which was enough to show the difficulty of visiting the cabin at night.

"Huh."

Qin Lang walked out of the bedroom and passed by the wall between the bedroom and the study, suddenly stopped and his eyes fell on a meter on the wall.

It is an indoor meter.

This meter is installed on the wall and should be like this.

The indoor meter in most residents' homes is a switch that controls the main power supply in their homes and will be placed on the wall on the right side of the living room, but this is not dead. Some people put this orange-yellow meter in an inconspicuous place for the sake of beauty, so as to save space.

Therefore, in Dongfang Aotian's home, there is nothing strange about this indoor meter appearing in the "intersection" position composed of three walls next to each other in the living room, study and bedroom.

Qin Lang suddenly stopped, not because he noticed that there was something strange about this meter, but because he found inspiration from the induction magnetic card.

Qin Lang pointed the small flashlight at the meter and found that there was a layer of fine dust on the meter. It was obvious that no one had cleaned it for a while. It was estimated that the four people had automatically ignored it.

In fact, under the transparent cover of the meter, you can clearly see one row and two switches. It is very normal. Even if you want to hide the mystery, you can't do it.

“Both switches are on.”

"This means that the home is still powered."

The sparks flashed in Qin Lang's mind before finally became clear.

He knew what to follow next.

Qin Lang began to shuttle through various rooms, unplugging the power plugs of all electrical appliances such as refrigerators, washing machines, water heaters, TVs, etc., so that no electrical appliances or equipment in the cabin will consume power.

Then, Qin Lang walked out of the cabin and went outside, and successfully found the outdoor meter placed on the wall.

In addition to the amount of electricity consumed on the dashboard, the outdoor meter also has a turntable at the top. As long as the household is using electricity, the turntable will rotate.

The more power you consume at the same time, the faster the turntable will rotate.

Even if you use small amounts of electricity, the turntable will turn, but it will be very slow. But there is no need to suspect that the turntable will not move when it is powered. After all, the turntable is very sensitive.

Qin Lang aimed the light of the flashlight at the turntable and stared at it.

In the first few seconds, the turntable scale did not move.

It seems to be very consistent with what Qin Lang just did.

Qin Lang just now unplugged all the power plugs in the wooden house. Without electricity, the meter turntable will naturally not move.

But soon Qin Lang discovered that the turntable scale moved forward slightly.

It was not until his eyes adapted to this change that Qin Lang realized more clearly that the turntable was actually rotating extremely lightly.

"Now there is nothing doubt. There must be a place in the cabin to connect the circuit, consuming power."

Qin Lang smiled.

At least now, it proved that the idea he came up with after a sudden inspiration is correct. Follow this idea and you may find something.

Qin Lang returned to the cabin, took off his shoulder bag again, and took out the induction magnetic card from it.

Because it can be seen from the meter transfer disk that the electricity consumption of a small cabin is actually very small, and it is unlikely to be used for basement lighting, insulation, and maintaining the operation of dangerous mechanisms such as electric doors. After all, the electricity they have to consume is no less than the electricity consumed by turning on a TV in the city.

Qin Lang then naturally thought of the induction magnetic card.

If Dongfang Aotian installed an electromagnetic induction device in the cabin, which relies on the circuit of the cabin to provide electricity and is responsible for the normal operation of the device, it is very likely.

Electromagnetic induction devices, especially particularly small electromagnetic induction devices, consume almost negligible power!

This is in line with the slow rotation of the dial on the meter!

Qin Lang took the induction magnetic card and swept it around the wall casually, and found that this could actually be successful.

Induction magnetic card does not have to be placed in the induction slot to activate the electromagnetic induction device.

If the device is hidden on the wall, you only need to attach the magnetic card to it, and the device can still be turned on.

Of course, there are difficulties.

It is just a small wooden house that is actually not small. The walls and floors also include the ceiling. Holding a palm-sized induction magnetic card in your hand, it takes many times to "scan" all these places.

This project volume is too large.

Qin Lang turned to think, pretending that he was Dongfang Aotian, where would he install this electromagnetic induction device?

"Dongfang Aotian is an arrogant man. When it comes to conspiracy and tricks, he does not belong to the kind of meticulous ones, so he should be a straightforward path. With his personality, he will not consider a lot. He will most likely install the device in a place that is convenient for him to operate."

"Simplicity is what he considers. The simplest place is the wall at the head of the bed, because whether it is sleeping or getting up, you can reach it with your hands."

"Of course, there may be other locations that can facilitate it, but places like living rooms, balcony, gyms, etc. can basically be ruled out."

Qin Lang thought this way and locked the places he focused on for Dongfang Aotian's bedroom and study.

The first place to be inspected is the wall at the head of the bedroom.

Qin Lang entered the bedroom again, started to search along the wall on the right side of the bed, attached the induction magnetic card to the wall, and moved to the left.

When the induction magnetic card just swept to one-third of the right side of the bedside head, Qin Lang suddenly discovered that the most important magnetic strip of the induction magnetic card actually emitted a flash of red light.

This has never been encountered before.

Qin Lang was overjoyed.

Immediately afterwards, Qin Lang also heard a very low but indeed "click" sound from the wall where the magnetic card was attached.

When the small flashlight shone on it, Qin Lang found a square wall block about a large area of ​​a palm, which seemed to be pushed out from the inside, and actually left the original wall and protruded out separately.

After the block was exposed, Qin Lang found that it was empty inside. Specifically, there was a groove inside!

And in the groove, there is only a downward closed switch!

"It's true."

Qin Lang did not delay any more and suddenly helped the switch that closed downwards up.

In an instant, I heard a sound of something cracking outside the window on the right side of the bedroom.

Qin Lang was shocked.

I originally thought that the mechanism with the switch was in the wooden house, or even in the bedroom, but I didn't expect that Dongfang Aotian put a lot of effort into the mechanism, obviously putting the mechanism outside the wooden house.

Qin Lang immediately walked to the place where the cracking sound came into view. Under a stone table in the garden, the circular lid cast in cement was automatically moved aside, revealing the black hole inside.

"No wonder the four people almost went through the cabin before, but found nothing."
To be continued...