I don't want a child (3)

Su Wanwan got out of bed and stood in the middle of the room. She looked at every corner blankly, but for a moment, she couldn't remember where she had installed the camera.

Su Wanwan tried hard to recall, then searched the room according to her memory. After searching for a long time, she finally found a camera from an extremely inconspicuous corner.

But why was Yingluo's camera different from the one she had bought? Could she have remembered wrongly again?

Su Wanwan took the camera and returned to the bed. Then, she took the computer, opened the web page, and checked her purchase record. The camera she bought was indeed not the one in her hand.

If she didn't install the camera herself, then what's with this camera?