From the video's description:

I was quietly working in my hotel room on my computer. I heard someone knock at the door. I looked through the peephole and did not recognize the man and woman that were standing outside. I did not respond to the knock, and returned to work on my computer. I then heard a strange metallic sound against the door. When I looked over, I saw a metal tool being inserted under the door. I called down to the hotel lobby and told them someone was trying to get into my hotel room. I returned to the door and prevented the tool from moving over to the door handle and opening it from the inside. Hotel staff arrived and told a couple they were at the wrong door. The couple claimed that they accidentally had the wrong room. My hotel room was at the end of the hallway, allowing the couple time to hide the tool. The couple quickly walked away and hotel staff knocked on my door. I opened it and showed him the video. They then quickly ran after the couple, but they were unable to catch up with them.