Product has been fully tested as working. Comes with 90 day warranty.
See below for technician evaluation:
Altura AP-N1001 Speedlite Flash for Nikon DSLR Camera with Auto-Focus, I-TTL, Wireless Trigger Slave Function
In excellent condition, with almost no signs of use.All functions tested and working properly.
Requires 4xAA batteries (not included).
The flash stand depicted was for display purposes, and is not included.