A Colorado mom is sharing a warning for other parents as her 4-year-old daughter recovers in the hospital after swallowing a small button battery .

“You can be the most observant, most caring parent in your household but … it can happen,” Jess Sandoval told ABC News from Children's Hospital Colorado’s Anschutz Medical Campus in Aurora, where her daughter is currently receiving treatment. “It takes an instant minute.”

Children's Hospital Colorado - PHOTO: Elana_and_Jess.jpg Caption: Jess Sandoval is speaking out after her 4-year-old daughter Elana was rushed to the hospital after swallowing a small battery.