High Tech Pet
High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount)
$474.99
Best Electronic Pet Doors · head-to-head
High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount) 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.
Cat Mate (Pet Mate Ltd)
Cat Mate 355 Elite Microchip Cat Flap with Timer Control
$99.99Cheaper
Which is better: the High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount) 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 High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount) on Amazon See Cat Mate 355 Elite Microchip Cat Flap with Timer Control on Amazon
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount) | Cat Mate 355 Elite Microchip Cat Flap with Timer Control |
|---|---|---|
| US price | $474.99 | $99.99 |
| Brand | High Tech Pet | Cat Mate (Pet Mate Ltd) |
| Released | — | — |
| Activation type | Ultrasonic pet-worn collar key (waterproof MS-5 transmitter) with directional sensing that responds only to direct approach — not microchip | Microchip (reads pet's implanted microchip directly; no separate key/disc required) |
| Flap opening | 12.25 in W x 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 | AC adapter (110V) standard; optional rechargeable battery backup available as an add-on | 4 x AA (not included); approx. 12 months life |
| Locking modes | 4 settings: full access, in-only, out-only, closed & locked | 4-way: in & out, in-only, out-only, locked |
| Pets supported max | 1 | 9 |
| Weatherproofing | "100% airtight" wind/weatherproof seal rated for hurricane-force winds | — |
| Curfew timer | No | Yes |
Sources — High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount): hitecpet.com (verified 2026-09-21). Cat Mate 355 Elite Microchip Cat Flap with Timer Control: closerpets.com (verified 2026-09-21).
What's the difference between the High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount) and Cat Mate 355 Elite Microchip Cat Flap with Timer Control?
Where the two actually differ on the specs we track (6 of 8). Matching specs are omitted.
- Activation type: 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 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: High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount) 12.25 in W x 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: 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 vs Cat Mate 355 Elite Microchip Cat Flap with Timer Control 4 x AA (not included); approx. 12 months life
- Locking modes: High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount) 4 settings: full access, in-only, out-only, closed & locked vs Cat Mate 355 Elite Microchip Cat Flap with Timer Control 4-way: in & out, in-only, out-only, locked
- Pets supported max: High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount) 1 vs Cat Mate 355 Elite Microchip Cat Flap with Timer Control 9
- Curfew timer: High Tech Pet Power Pet PX-2 Large Automatic Pet Door (Standard Door Mount) false vs Cat Mate 355 Elite Microchip Cat Flap with Timer Control true