An East Meadow man pleaded guilty Friday to fatally bludgeoning his wife of 30 years with a dumbbell in their home last year, the Nassau County district attorney’s office said.

Hector Bejarano, 54, is expected to get 18 years to life in prison at his Jan. 4 sentencing for second-degree murder, prosecutors said.

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Bejarano went on the run for two weeks after police responded to a 911 call on April 28 and discovered Mirian Bejarano, 52, dead on the floor. She had been hit in the head several times, authorities said.

Her husband left a confession note in a bedroom for his daughter, prosecutors said, and when Bejarano returned home May 13 to eat and do laundry, he was arrested, authorities said.

Bejarano’s attorney could not be reached for comment.

“This case shows why it is so important to raise awareness about domestic violence,” Anthony Zenkus of Safe Center LI, a Bethpage-based nonprofit, said in a statement.

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District Attorney Madeline Singas in a news release called Bejarano “depraved,” saying “his brutality cost this innocent woman her life.”