1040 · LiftMaster

For 1040 · LiftMaster, opener brand is LiftMaster; opener model is 1040; protocol or era is 8 or 9 DIP SWITCH,or YELLOW,WHITE,GRAY (1984-1992); visor remote is 61LM; mini or keychain remote is 61LM, recorded from its source on 2026-08-31; source re-checked 2026-09-16.

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

1040 | <https://dooropenersandmore.com/product/liftmaster-61lm-compatible-390-mhz-single-button-visor-garage-door-opener-remote/> 61LM | <https://dooropenersandmore.com/product/liftmaster-61lm-compatible-390-mhz-single-button-mini-key-chain-garage-door-opener-remote/> 61LM | <https://dooropenersandmore.com/product/liftmaster-66lm-66lmc-compatible-wireless-keyless-entry-keypad/> 66LM | 8 or 9 DIP SWITCH,or YELLOW,WHITE,GRAY (1984-1992)

— dooropenersandmore.com, retrieved 2026-08-31

Where each value comes from

The value above is stated away from the sentence quoted with the answer, so the passage that states it is shown here too.

— all from dooropenersandmore.com, retrieved 2026-08-31

Source

• dooropenersandmore.comhttps://dooropenersandmore.com/compatibility-charts/liftmaster-compatibility-chart/

Last verified against source: 2026-09-16. Due for re-check by 2027-08-31. This page as Markdown · OKF bundle · full dataset as JSON.