A latch (520, 530) provided at a storage container and configured to detachably couple to a fixing member provided on a door and configured to detachably couple a plurality of recesses formed in a cabinet, characterized in that the latch (520, 530) comprising: a housing (521, 531) provided on the storage container; a holding member (524, 534) rotatably installed in the housing (521, 531) and configured to selectively engage the fixing member; a rotation limiter (525, 535) installed in the housing (521, 531) is configured to be inserted into the holding member (524, 534) to limit rotation of the holding member (524, 534) when the holding member (524, 534) is disconnected from the fixing member; a movement guide (526, 536) provided in the housing (521, 531) and connected to the holding member (524, 534) via a first elastic member to guide rotation of the holding member (524, 534); a press piece provided at the front of the housing (521, 531) to press the movement guide (526, 536) to rotate the movement guide (526, 536); guide recesses (5212, 5312) formed at the housing (521, 531) to guide movement of the fixing member into and out of the housing for engagement and disengagement of the fixing member and the holding member (524, 534); a pin that extends from the holding member (524, 534) and configured to be received in a pin recess formed in the cabinet when the storage container couple to the cabinet, wherein the holding member (524, 534) is engaged with the fixing member to couple the storage container to the door in a first mode, wherein the holding member (524, 534) is disengaged from the fixing member and the pin is received in the pin recess to couple the storage container to the cabinet in a second mode. a housing (521, 531) provided on the storage container; a holding member (524, 534) rotatably installed in the housing (521, 531) and configured to selectively engage the fixing member; a rotation limiter (525, 535) installed in the housing (521, 531) is configured to be inserted into the holding member (524, 534) to limit rotation of the holding member (524, 534) when the holding member (524, 534) is disconnected from the fixing member; a movement guide (526, 536) provided in the housing (521, 531) and connected to the holding member (524, 534) via a first elastic member to guide rotation of the holding member (524, 534); a press piece provided at the front of the housing (521, 531) to press the movement guide (526, 536) to rotate the movement guide (526, 536); guide recesses (5212, 5312) formed at the housing (521, 531) to guide movement of the fixing member into and out of the housing for engagement and disengagement of the fixing member and the holding member (524, 534); a pin that extends from the holding member (524, 534) and configured to be received in a pin recess formed in the cabinet when the storage container couple to the cabinet, wherein the holding member (524, 534) is engaged with the fixing member to couple the storage container to the door in a first mode, wherein the holding member (524, 534) is disengaged from the fixing member and the pin is received in the pin recess to couple the storage container to the cabinet in a second mode.