1. First of all, you can see the general situation of the room when you enter the game. There is a camera light and arrow instructions. You only need to open the lever according to the arrow instructions. Then look to the right, you can see a black box, which is locked, there is also a prompt, you can directly open the box.
2. There is some important information in the box, which is the key to solving the puzzle later. There is a notebook inside that can be opened to see the records inside. Then you can see a screwdriver on the right, pick it up, use this screwdriver to unscrew the camera light and open the back cover.
3. Open the back cover of the camera to see the internal parts, and put the two yellow parts together. After exploring here, we are going to check the house model on the left. There is an iron door, which can be opened directly by clicking, and then the main door of this house will automatically open, and there is an area that cannot be seen clearly.
4. There is another box on the right. Pull the handle down to open the dark compartment and get the eyepiece. Click on the eyepiece in the item bar on the left, press the switch on the side to open the eyepiece, we can use this eyepiece to see the invisible part mentioned above.