We have underwire fence so dogs wear collar for the fence will these collars interfere with the dog door collars?

My dog wears this collar as well as the collar for a PetSafe radio fence. There is no interference between the collars. One is radio, the other is sonic. I am sure the sonic collar (this one) would not interfere with your underground wire fence collar.

I bought an electronic doggy door 2 years ago. The replacement transmitters I have bought are no longer available. Will this one work?

Ours is about 2 1/2 years old and we didn’t have any problems getting it to work with the older door. We just put batteries on them, then put them on the dog, and we haven’t had any issues with it.

Does anyone know of a smaller sensor that will open this door? The sensor is big for my dogs neck. It’s okay for my bigger dog.

No I have not found one. I love the way the High Tech product works. I would pay more money for a sensor if it was smaller. My dogs are 8 1/2 and 12 lbs.

When inserting new battery what color should the light be!

Red,are you using the new style battery from the mfg?

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High Tech Pet MS-5 Automatic Pet Door Collar from Brand - Water Resistant - Rugged - Light Weight - Long Life Battery Included - Directional Ultrasonic Signal - USA Customer Service

Product ID: 2238582

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💧Waterproof & rugged for all-weather durability

📡Directional ultrasonic signal for precise pet access

🔋Long-life battery included for uninterrupted use

Description

🚪🐾 Unlock freedom for your furry friend with tech that’s as tough as they are!

TRUSTED USA SUPPORT - Backed by dedicated USA customer service for hassle-free assistance and peace of mind.
EXTENDED BATTERY LIFE - Includes a long-lasting battery so your pet door stays powered without frequent replacements.
ALL WEATHER DURABILITY - Fully waterproof and rugged design stands up to rain, snow, and rough play—perfect for adventurous pets.
UNIVERSAL FIT COMFORT - One size fits all dogs and cats with a tough yet comfortable 27-inch nylon collar strap.
PRECISION ACCESS CONTROL - Directional ultrasonic signal ensures your pet’s seamless entry and exit without false triggers.

The High Tech Pet MS-5 Automatic Pet Door Collar features a directional ultrasonic signal compatible with all High Tech Pet electronic doors and sonic fences. Its fully enclosed waterproof speaker and rugged design ensure reliable performance in all weather conditions. Lightweight and adjustable with a durable nylon strap, it includes a long-life battery and is supported by USA-based customer service.

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