The video shows the gunman, wearing a ski mask, walk into the store on North Fairview Road on Wednesday.
He then points a handgun at one of the workers and demands money.
The gunman then empties both registers.
"He's armed and he's dangerous. He's probably done this before. It seemed like it was a very professional job. He was in and out of the store in less than a minute," Ridley Township Police Chief Scott Willoughby said.
The gunman got away with approximately $500.
Anyone with information should contact Ridley Township police.
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