Supports rolling codes that simpler remotes cannot.
A critical detail for the RMC166HS (and its successor, the RMC166HSII) is that it typically requires specialized equipment for duplication. Tecnoparking Professional Duplicator : Most versions must be programmed using the Remocon HCD-900 remocon rmc166hs verified
Even a verified Remocon RMC166HS can encounter issues. Here is the official troubleshooting guide. Supports rolling codes that simpler remotes cannot
The remote ate my batteries overnight.
Why useful
4-button design, but some variants (like the RMC166HS II) can handle up to 10 channels through button combinations. remocon rmc166hs verified