Cops arrested an off-duty NYPD employee in Brooklyn after she allegedly attacked and threatened to kill her adult daughter, officials said Saturday.

Police busted Chariss Cox, a 46-year-old NYPD communications technician, after they were called to her Brownsville home about 8:30 p.m. Friday, officials said.

Her 23-year-old daughter told cops Cox punched, slapped and choked her during an argument inside their home. Cox also threatened to throw a television at her daughter and kill her, the daughter said.

Police charged Cox with strangulation, assault, menacing and criminal mischief.

Man busted for stabbing cop during daughter’s party in Queens