Sodium-activated and chloride-activated potassium channel (PubMed:14684870, PubMed:16687497, PubMed:25214519, PubMed:27682982, PubMed:29069600, PubMed:29740868). Produces rapidly activating outward rectifier K(+) currents (PubMed:14684870). Contributes to regulate neuronal excitability (PubMed:29069600). {ECO:0000269|PubMed:14684870, ECO:0000269|PubMed:16687497, ECO:0000269|PubMed:25214519, ECO:0000269|PubMed:27682982, ECO:0000269|PubMed:29069600, ECO:0000269|PubMed:29740868}. This is the function of Ensembl gene identifier ENSG00000162687 (KCNT2, potassium sodium-activated channel subfamily T member 2).