# SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) vs PetSafe SmartDoor Connected Electronic Pet Door: specs and price compared

A sourced, side-by-side comparison of the SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) (SureFlap (Sure Petcare)) and PetSafe SmartDoor Connected Electronic Pet Door (PetSafe) among electronic pet doors. SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) is the cheaper of the two at $278.25.

## Side by side

| Spec | SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) | PetSafe SmartDoor Connected Electronic Pet Door |
| --- | --- | --- |
| US price | $278.25 | $349.99 |
| Brand | SureFlap (Sure Petcare) | PetSafe |
| Activation type | Microchip (reads pet's implanted RFID microchip; works with all common microchips worldwide); includes 1 RFID collar tag for non-microchipped pets | Pet Door Key (collar tag) on both sizes, or microchip (Medium size only; reads FDX-B/15-digit, FDX-A/10-digit, AVID H, and AVID Encrypted formats) |
| Flap opening | 7.5 in W x 6 11/16 in H | Medium 7.1 in W x 7.8 in H; Large 11.9 in W x 16.1 in H |
| Door wall thickness | — | Non-metal doors up to 2 1/4 in thick; metal doors up to 1 3/4 in with adaptor; multi-pane glass up to 1 3/4 in (Medium only) |
| Battery type | 4 x C-cell (not included); up to 12 months life, low-battery indicator | Medium: 4 x C-cell alkaline; Large: 4 x D-cell alkaline (or optional SmartDoor Power Adaptor, sold separately) |
| Locking modes | Manual lock with in-only setting, selective exit permissions, plus curfew (lock/unlock at scheduled times) | Remote lock/unlock via My PetSafe app, multi-point locking mechanism, individual per-pet schedules |
| Pets supported max | 32 | — |
| Weatherproofing | — | Dynamic weather sealing |
| Curfew timer | Yes | Yes |

## Key differences

- 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 PetSafe SmartDoor Connected Electronic Pet Door Pet Door Key (collar tag) on both sizes, or microchip (Medium size only; reads FDX-B/15-digit, FDX-A/10-digit, AVID H, and AVID Encrypted formats)
- Flap opening: SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) 7.5 in W x 6 11/16 in H vs PetSafe SmartDoor Connected Electronic Pet Door Medium 7.1 in W x 7.8 in H; Large 11.9 in W x 16.1 in H
- 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 PetSafe SmartDoor Connected Electronic Pet Door Medium: 4 x C-cell alkaline; Large: 4 x D-cell alkaline (or optional SmartDoor Power Adaptor, sold separately)
- 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 PetSafe SmartDoor Connected Electronic Pet Door Remote lock/unlock via My PetSafe app, multi-point locking mechanism, individual per-pet schedules

## Sources

- SureFlap Microchip Pet Door (Large, for Cats & Small Dogs): https://www.surepetcare.com/en-us/pet-doors/microchip-pet-door (surepetcare.com, verified 2026-08-05)
- PetSafe SmartDoor Connected Electronic Pet Door: https://www.petsafe.com/p/smartdoor-connected/ZPA19-17252/ (petsafe.com, verified 2026-08-05)

Canonical: https://frontdeskreview.com/gear/electronic-pet-doors/sureflap-microchip-pet-door-vs-petsafe-smartdoor-connected/
Cite: Per The Front Desk Review, SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) ($278.25) vs PetSafe SmartDoor Connected Electronic Pet Door ($349.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/electronic-pet-doors/sureflap-microchip-pet-door-vs-petsafe-smartdoor-connected/
License: CC BY 4.0.