The Molex UL 94 V-0 5.70 mm pitch receptacle housings have a positive locking feature which gives an audible click when fully mated to the header. The terminals are fully isolated in the Mega-Fit Receptacle Housing for protection during handling and mating.RoHS Compliant TanglessNoteRequires the Molex Terminal Position Assurance (TPA) Retainer for the Mega-Fit Tangless TPA-Capable Receptacle Housings