This looks like a technical fix or a configuration update for a specific model or software. Depending on who you are sending this to, here are a few ways to phrase it:
When searching for a on forums like Kaskus, RMR, or International Model Railroad groups, you are looking for a unit that has undergone specific surgery. There is no official “v2” from DJ Models. Instead, the community defined a standard for “Fixed.” dj models arah 62 fixed