JST SM 4-Pin 15cm Male and Female Pitch 2.54mm Electronic Wire Connector

From the shop's description

JST SM 4-Pin 15cm Male and Female Pitch 2.54mm Electronic Wire Connector Length:15cm and wire diameter:1.5mm Each connector has 2 pieces of wires, one is black, the other is red Product includes JST SM 2 pin male and female connectors Material: Silicone material, easy to peel off. Good Quality Wire