A handle arrangement for arrangement on a door, window, gate or hatch openable relative a frame, the arrangement comprising a locking mechanism configured to provide, in a locking state, a locking the door, window, gate or hatch to the frame, a blocking mechanism configured to, in a blocking state, prevent the locking mechanism to be moved from the locking state, a handle operative by a user and configured to, when operated, move the locking mechanism from the locking state, wherein the handle arrangement further comprises a control unit communicatively connected to a remote server and capable of controlling the blocking mechanism, and a display unit controlled by the control unit and configured to display information to a user, wherein the control unit is configured to display a QR code on the display unit for a user to read by means of a mobile device capable of reading a QR code, wherein the QR code is unique for the handle arrangement and the time period during which the QR code is displayed, receive, from a remote server, information that the user has communicated, to the remote server, a reading of the displayed QR code together with an identification of the user, and that the identified user is authorized to open the door, window, gate or hatch, and in response to the received information from the remote server, enable a second level authorization function for the user to verify its authorization, and if such authorization is verified, operate the blocking mechanism from the blocking state to an unblocking state, thereby enabling opening of the door, window, gate or hatch by means of the handle. a locking mechanism configured to provide, in a locking state, a locking the door, window, gate or hatch to the frame, a blocking mechanism configured to, in a blocking state, prevent the locking mechanism to be moved from the locking state, a handle operative by a user and configured to, when operated, move the locking mechanism from the locking state, wherein the handle arrangement further comprises a control unit communicatively connected to a remote server and capable of controlling the blocking mechanism, and a display unit controlled by the control unit and configured to display information to a user, wherein the control unit is configured to display a QR code on the display unit for a user to read by means of a mobile device capable of reading a QR code, wherein the QR code is unique for the handle arrangement and the time period during which the QR code is displayed, receive, from a remote server, information that the user has communicated, to the remote server, a reading of the displayed QR code together with an identification of the user, and that the identified user is authorized to open the door, window, gate or hatch, and in response to the received information from the remote server, enable a second level authorization function for the user to verify its authorization, and if such authorization is verified, operate the blocking mechanism from the blocking state to an unblocking state, thereby enabling opening of the door, window, gate or hatch by means of the handle. display a QR code on the display unit for a user to read by means of a mobile device capable of reading a QR code, wherein the QR code is unique for the handle arrangement and the time period during which the QR code is displayed, receive, from a remote server, information that the user has communicated, to the remote server, a reading of the displayed QR code together with an identification of the user, and that the identified user is authorized to open the door, window, gate or hatch, and in response to the received information from the remote server, enable a second level authorization function for the user to verify its authorization, and if such authorization is verified, operate the blocking mechanism from the blocking state to an unblocking state, thereby enabling opening of the door, window, gate or hatch by means of the handle.