CON-JST-SM-4A, This 4 PIN connector is used for LED strips, LED wall-washers, LED underground light,, LED belt light, curtain light, twinkle light and so on.
CON-JST-SM-2A, This 2 PIN connector is used for LED strips, LED wall-washers, LED underground light,, LED belt light, curtain light, twinkle light and so on.