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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 Cat Mate 355 Elite Microchip Cat Flap with Timer Control
A sourced, side-by-side comparison. Cat Mate 355 Elite Microchip Cat Flap with Timer Control is cheaper at $99.99. Every spec and price links to its source.
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Cat Mate (Pet Mate Ltd)
Cat Mate 355 Elite Microchip Cat Flap with Timer Control
$99.99Cheaper
Which is better: the SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) or Cat Mate 355 Elite Microchip Cat Flap with Timer Control?
On the specs we track, they're closely matched. The Cat Mate 355 Elite Microchip Cat Flap with Timer Control is the cheaper at $99.99.
See SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) on Amazon See Cat Mate 355 Elite Microchip Cat Flap with Timer Control on Amazon
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
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) | Cat Mate 355 Elite Microchip Cat Flap with Timer Control |
|---|---|---|
| US price | $278.25 | $99.99 |
| Brand | SureFlap (Sure Petcare) | Cat Mate (Pet Mate Ltd) |
| 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 | Microchip (reads pet's implanted microchip directly; no separate key/disc required) |
| Flap opening | 7.5 in W x 6 11/16 in H | 7 1/16 in W x 8 1/16 in H |
| Door wall thickness | — | Self-lining up to 100 mm (4 in); wall liner accessory available for thicker walls |
| Battery type | 4 x C-cell (not included); up to 12 months life, low-battery indicator | 4 x AA (not included); approx. 12 months life |
| Locking modes | Manual lock with in-only setting, selective exit permissions, plus curfew (lock/unlock at scheduled times) | 4-way: in & out, in-only, out-only, locked |
| Pets supported max | 32 | 9 |
| Weatherproofing | — | — |
| Curfew timer | Yes | Yes |
Sources — SureFlap Microchip Pet Door (Large, for Cats & Small Dogs): surepetcare.com (verified 2026-08-05). Cat Mate 355 Elite Microchip Cat Flap with Timer Control: closerpets.com (verified 2026-08-05).
What's the difference between the SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) and Cat Mate 355 Elite Microchip Cat Flap with Timer Control?
Where the two actually differ on the specs we track (5 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 Cat Mate 355 Elite Microchip Cat Flap with Timer Control Microchip (reads pet's implanted microchip directly; no separate key/disc required)
- Flap opening: SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) 7.5 in W x 6 11/16 in H vs Cat Mate 355 Elite Microchip Cat Flap with Timer Control 7 1/16 in W x 8 1/16 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 Cat Mate 355 Elite Microchip Cat Flap with Timer Control 4 x AA (not included); approx. 12 months life
- 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 Cat Mate 355 Elite Microchip Cat Flap with Timer Control 4-way: in & out, in-only, out-only, locked
- Pets supported max: SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) 32 vs Cat Mate 355 Elite Microchip Cat Flap with Timer Control 9