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SureFlap (Sure Petcare)
SureFlap Microchip Pet Door (Large, for Cats & Small Dogs)
$278.25Cheaper
Best Electronic Pet Doors · head-to-head
SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) vs High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount)
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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High Tech Pet
High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount)
$474.99
Which is better: the SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) or High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount)?
On the specs we track, they're closely matched. The SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) is the cheaper at $278.25.
See SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) on Amazon See High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount) 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) | High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount) |
|---|---|---|
| US price | $278.25 | $474.99 |
| Brand | SureFlap (Sure Petcare) | High Tech Pet |
| 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 | Ultrasonic pet-worn collar key (waterproof MS-5 transmitter) with directional sensing that responds only to direct approach — not microchip |
| Flap opening | 7.5 in W x 6 11/16 in H | 12.25 in W x 16 in H |
| Door wall thickness | — | — |
| Battery type | 4 x C-cell (not included); up to 12 months life, low-battery indicator | AC adapter (110V) standard; optional rechargeable battery backup available as an add-on |
| Locking modes | Manual lock with in-only setting, selective exit permissions, plus curfew (lock/unlock at scheduled times) | 4 settings: full access, in-only, out-only, closed & locked |
| Pets supported max | 32 | 1 |
| Weatherproofing | — | "100% airtight" wind/weatherproof seal rated for hurricane-force winds |
| Curfew timer | Yes | No |
Sources — SureFlap Microchip Pet Door (Large, for Cats & Small Dogs): surepetcare.com (verified 2026-08-05). High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount): hitecpet.com (verified 2026-08-05).
What's the difference between the SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) and High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount)?
Where the two actually differ on the specs we track (6 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 High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount) Ultrasonic pet-worn collar key (waterproof MS-5 transmitter) with directional sensing that responds only to direct approach — not microchip
- Flap opening: SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) 7.5 in W x 6 11/16 in H vs High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount) 12.25 in W x 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 High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount) AC adapter (110V) standard; optional rechargeable battery backup available as an add-on
- 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 High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount) 4 settings: full access, in-only, out-only, closed & locked
- Pets supported max: SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) 32 vs High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount) 1
- Curfew timer: SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) true vs High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount) false