The man, later identified as 29-year-old Jesus Gallegos Valdez, was spotted by the woman over the top of the dressing room wall on Nov. 28, Secaucus police said.
Apparently realizing he'd been caught, Gallegos Valdez quickly left the store. It was unclear if he had taken photos or recorded the victim.
Secaucus police launched an investigation and arrested Gallegos Valez in Paramus on Dec. 8, they said. He was charged with invasion of privacy, issued a complaint summons and released.
Click here to follow Daily Voice Ridgewood and receive free news updates.