・Unopened, unused item kept in storage. *Sub-unit only, no outer box. This is a replacement part for damage or deterioration over time. *Currently, replacing only the sub-unit in use can be done with just a Phillips head screwdriver. In this case, the mounting base is used as is. The wiring is only two wires on the back, which are signal wires, so there is no risk of electric shock. If replacing the mounting base due to deterioration, remove the other two screws. Panasonic intercom VL-V522L, with mounting screws and plate. - Brand: Panasonic - Model Name: VL-V522L-S - Included Items: Mounting screws, mounting plate - Type: Intercom Thank you for viewing.