The product is a genuine OEM 2013-2017 Nissan Altima 2.5L alternator generator with part number 23100-3TA1B. It features a 12V voltage and 110A amperage, with a pulley included for easy installation. The alternator has a manufacturer warranty of 6 months and is designed specifically for the Nissan Altima model. The item is unfinished and has a genuine OEM designation, making it a reliable choice for replacing a faulty alternator in a Nissan vehicle.