Possible presence of purely aesthetic defects, which do not affect use, such as small pixel defects (ISO-9241-3xx standards), micro-scratches on the body/screen and/or other defects not visible more than 30cm from the object deriving in any case from wear of the object over time; however, the hardware is tested, functional and guaranteed (see product condition details) Purchase invoice: it must be requested together with the order and will be sent by email. In the absence of billing data, a receipt will be issued which cannot be cancelled. We are not responsible for the configuration and/or installation of the device, the hardware is supplied FORMATTED, the configuration is the responsibility of the buyer, please inquire before purchasing. Warning: power supply not present, switch or PoE p