Around 23:50 hrs. Mrs.Lee Kin Yu called and informed us that guy open the door and go away not say anyting to her. She want to know who is that? and why he can open the door. Then we check with housekeeper (Kh.Golf) he said that guy is him. He will bring his phone to charge battery in vacant room. but open wrong room (7203) and saw guest inside the room. We called Mrs.Lee Kin Yu back and