Are you looking for high-quality collar-activated cat door options for Fluffy? This post is for you! From affordable magnetized collar-activated cat doors to ultrasonic and RFID dual microchip and collar-activated flaps in 1, check out our top picks for the best cat door options with collar sensor below.

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Magnetic and Electromagnetic Cat Doors with Collar Sensor
For an affordably priced collar sensor cat door that keeps unwanted visitors out, check out the following highly-rated magnetic and electromagnetic cat door options below for less than $50 each;
Specs:
Features:
Flap size
6.2″H x 5.75″W
Depth
0.35″-1.35″
Tunnel extender available
- Battery operated (1x 9v)
- Uses electromagnetic technology
- Keeps unwanted visitors out
- Manual 4-way safety lock
- Cat collar magnet included
- Durable plastic frame
- Brush sealed magnetic closure
- Additional collar magnets available
- Battery not included
- Any animal wearing a magnetic collar tag can enter
- No batteries required
- Uses magnetic technology
- Keeps unwanted visitors out
- Manual 4-way safety lock
- Magnetic collar key + collar included
- Durable plastic frame
- Sealed magnetic closure
- Includes internal draught excluder
- Additional collar keys available
- 2 colors available
- Small flap size
- Any animal can exit (collar key required for entry only)
- Any animal wearing a magnetic collar tag can enter
‘Classic‘ design also available.
Flap size
6″H x 5.75″W
Depth
Up to 2 3/8″
- Battery operated (1x 9v)
- Uses electromagnetic technology
- Keeps unwanted visitors out
- Manual 4-way safety lock
- 2x cat collar magnets included
- Brush sealed magnetic closure
- Additional collar magnets available
- Replacement flaps available
- 2 colors available
- Battery not included
- Not intended for large cats
- Any animal can exit (collar magnet required for entry only)
- Any animal wearing a magnetic collar tag can enter
RFID and Ultrasonic Cat Doors with Collar Sensor
For greater control over individual pet entry and exit permissions, as well as the availability of app-controlled units, and microchip-compatible pet doors, check out the following highly-rated RFID and ultrasonic cat door options with collar sensor (or collar and microchip sensor), below;
Specs:
Features:
- Uses RFID technology
- Battery operated (4x AA)
- Keeps unwanted visitors out
- Restrict entry/exit with Dual-Scan
- Works with most microchips and SureFlap RFID collar tags
- Includes manual 4-way saftey lock
- Stores up to 32 pet identities
- Sealed magnetic closure
- Battery indicator light
- Keeps draughts out
- Mounting accessories available for different surfaces
- Small flap size
- Batteries not included
- RFID collar tags sold separately
- Not compatible with microchips starting with 000, 010 or 020
An app-controlled model with a curfew timer is also available.
Also available in white and brown WITHOUT the dual-scan feature (for those that don’t need/want to control entry/exit permissions).
- Uses RFID technology
- Battery operated (4x C batteries)
- Keeps unwanted visitors out
- Works with most microchips and SureFlap RFID collar tags
- Larger than SureFlap cat door
- Stores up to 32 pet identities
- 1x RFID collar tag is included
- Built-in curfew timer
- Manual lock/ unlock feature
- Easy-read digital display screen
- Keeps draughts out
- Battery indicator light
- Additional collar tags available
- Mounting accessories available for different surfaces
- Batteries not included
- Any pet can exit (the door only scans on entry)
An app-controlled model is also available (which allows you to operate remotely and receive notifications).
Flap size
10″H x 8.25″W
(medium size)
Depth
Up to 7″ with optional wall tunnel (sold separately)
- Uses ultrasonic technology
- 1x adjustable, lightweight ultrasonic collar included
- AC or battery operation
- Keeps unwanted visitors out
- Motor driven vertically-sliding door
- Includes 4-way access lock
- Secure automatic deadbolt locking
- Door panel made of bulletproof resin
- 100% wind and weatherproof
- Airtight seal
- Additional collars available
- Suits cats and dogs
- Optional proprietary battery pack for door sold separately
- Collar batteries need to be replaced regularly
- Buying additional collars for multiple pets can get expensive
- If you have a sneaky indoor-only pet, they may be able to exit behind an animal that is wearing an ultrasonic collar (if they are fast enough!)
Also available in large.
Models are also available to suit sliding glass doors.
- Uses RFID technology
- Battery operated (4x AA batteries)
- Keeps unwanted visitors out
- Works with most microchips and Cat Mate RFID collar tags
- Stores up to 30 pet identities
- Includes 4-way manual lock
- Transparent tough polymer flap
- Brush sealed magnetic closure
- LED battery indicator light
- 2 colors available
- Batteries not included
- Any pet can exit (chip/ tag required for entry only)
- Collar tags sold separately
An ‘Elite Microchip’ model is also available which includes timer control.
An ‘Elite ID Disc’ model is also available which works with collar tags only and allows you to set entry and exit permissions for up to 9 cats.
- Battery operated (4x D-cell)
- Keeps unwanted visitors out
- Suits cats and dogs up to 15 lbs
- Unlocks with collar SmartKey
- 1x collar SmartKey included
- 3 modes - locked/ unlocked/ auto
- Program up to 5 pets
- Additional SmartKeys available
- Batteries not included
- Proprietary collar batteries need to be replaced every 1-3 months
- Some users report a door closure delay after an animal exits, therefore an indoor-only pet may be able to sneak out behind them
Also available in large size.
Flap size
5.51″H x 5.91″W
Tunnel extender available
- Uses RFID technology
- Battery operated (4x LR6 batteries)
- Keeps unwanted visitors out
- Uses cat's exiting 15-digit microchip or PetSafe microchip collar fob
- Stores up to 40 pet identities
- Includes 4-way manual lock
- Reinforced, dual auto-latch closure
- Energy-efficient weather stripping
- Battery indicator light
- Batteries not included
- Any pet can exit (chip/ fob required for entry only)
- Collar fobs sold separately
- Not ideal for large cats
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