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SureFlap (Sure Petcare)
SureFlap Microchip Pet Door (Large, for Cats & Small Dogs)
$278.25
Best Electronic Pet Doors · head-to-head
SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) vs PlexiDor Electronic Pet Door
A sourced, side-by-side comparison. SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) is cheaper at $278.25. Every spec and price links to its source.
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PlexiDor (Performance Pet Doors)
PlexiDor Electronic Pet Door
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) | PlexiDor Electronic Pet Door |
|---|---|---|
| US price | $278.25 | — |
| Brand | SureFlap (Sure Petcare) | PlexiDor (Performance Pet Doors) |
| Released | — | — |
| Activation type | Microchip (reads pet's implanted RFID microchip; works with all common microchips worldwide); includes 1 RFID collar tag for non-microchipped pets | RFID collar key (waterproof, battery-free, chew-resistant tag; approx. 12-15 in read range) — not microchip |
| Flap opening | 7.5 in W x 6 11/16 in H | — |
| Door wall thickness | — | — |
| Battery type | 4 x C-cell (not included); up to 12 months life, low-battery indicator | Door unit is AC-powered; the RFID collar key itself is battery-free |
| Locking modes | Manual lock with in-only setting, selective exit permissions, plus curfew (lock/unlock at scheduled times) | Includes steel security plate with physical lock and key (mechanical override); electronic access control details not independently confirmed |
| Pets supported max | 32 | — |
| Weatherproofing | — | — |
| Curfew timer | Yes | — |
Sources — SureFlap Microchip Pet Door (Large, for Cats & Small Dogs): surepetcare.com (verified 2026-08-05). PlexiDor Electronic Pet Door: amazon.com (verified 2026-08-05).
What's the difference between the SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) and PlexiDor Electronic Pet Door?
Where the two actually differ on the specs we track (3 of 8). Matching specs are omitted.
- Activation type: SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) Microchip (reads pet's implanted RFID microchip; works with all common microchips worldwide); includes 1 RFID collar tag for non-microchipped pets vs PlexiDor Electronic Pet Door RFID collar key (waterproof, battery-free, chew-resistant tag; approx. 12-15 in read range) — not microchip
- Battery type: SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) 4 x C-cell (not included); up to 12 months life, low-battery indicator vs PlexiDor Electronic Pet Door Door unit is AC-powered; the RFID collar key itself is battery-free
- Locking modes: SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) Manual lock with in-only setting, selective exit permissions, plus curfew (lock/unlock at scheduled times) vs PlexiDor Electronic Pet Door Includes steel security plate with physical lock and key (mechanical override); electronic access control details not independently confirmed