Power has been confirmed, with actual outgoing, incoming, and call functionality verified. Wall mounting is also possible, and it was previously installed on a wall. It has been initialized to factory default settings. It also has the function to connect to Panasonic intercoms, and has a variety of simple yet versatile features. Please refer to the following URL for the instruction manual: https://panasonic.jp/manualdl/p-db/ve/ve_gp30dl_dw.pdf There are minor scratches from use. Please understand that the description may be incomplete, so please judge the condition based on the images, and refrain from purchasing if you are unable to do so. Search terms: Panasonic VE-GP30S VE-GP30DW Landline phone