This review summarizes the publicly listed information for the High Tech Pet Model MS-5 MICROSONIC Digital Electronic Pet Collar, taken directly from the brand's official product page. We have not personally tested this collar on a pet — the goal here is to lay out exactly what it does, what it doesn't do, and what it costs, so you can judge fit before purchasing.
It's worth being precise here: the MS-5 is not a GPS tracker and not a shock or vibration training collar. According to High Tech Pet's own listing, it's a digital ultrasonic transmitter collar that works as the "key" for the brand's Pet Activated World System (PAWS). The collar's transmitter sends an ultrasonic signal that the receiving hardware — a Power Pet Door, the Sound Barrier indoor sonic fence, or the Yard Barrier outdoor sonic fence — recognizes to unlock, activate, or otherwise respond to. In plain terms, it's an ID/access collar for pet doors and sonic containment systems, not a location tracker and not a bark or behavior correction device.
High Tech Pet describes the MS-5 as an extra-rugged, fully waterproof design with a robust, fully enclosed ultrasonic transducer speaker that's rated immersible to 6 feet. The brand is explicit that this rating is for short immersions (their example is falling in a pool, not swimming laps) and specifically advises against regular swimming while wearing the collar, since chlorine and saltwater are corrosive to the metal and rubber components over time.
The MS-5 uses High Tech Pet's proprietary B-3V1A battery, which the listing states lasts roughly 2–3 months per battery and is designed to prevent circuit damage if installed incorrectly. The brand is emphatic on this point: it warns buyers to only use genuine High Tech Pet replacement batteries, stating that off-brand batteries with different chemistries can damage the collar's circuitry and will void the MS-5's warranty.
Per the product description, the MS-5 collar operates:
It's positioned as part of an ecosystem rather than a standalone gadget — if you don't already own or plan to buy one of those three systems, the collar alone doesn't have a receiving device to talk to.
On the product page, buyers can choose from several add-on configurations, including collar-only, collar-with-rubber-boot, or collar-with-MS-5-plus-boot bundles, along with pattern choices (Mac, Tribal, Black, Pink, Modern, Paws) and sizing for Regular or Tall collars. Extra batteries can be added at checkout in 2-, 6-, or 12-packs, and a replacement strap and rubber boot are sold separately as accessories.
At the time of writing, the MS-5 collar is listed at $54.99, marked down from a regular price of $69.99. High Tech Pet backs it with a stated 90-day satisfaction guarantee and a limited lifetime warranty on hardware, according to the badges shown on the product page.
The product page shows 62 customer reviews with roughly 90% rating it 4 or 5 stars at the time of writing. Common themes in the visible reviews include praise for the company's customer support responsiveness, along with a few functional notes — one reviewer requested an adjustable potentiometer for households with multiple dogs and collars, and another mentioned the transmitter casing is sometimes mistaken for a camera by guests. We're relaying these as-written; we haven't verified them ourselves.
Potential advantages: waterproof to 6 ft. for short immersions, rugged build aimed at active dogs, works across three different High Tech Pet ultrasonic products (door, indoor fence, outdoor fence), and a battery that's designed to resist damage from incorrect installation.
Things to weigh: it only functions with High Tech Pet's own ultrasonic hardware, it is not a tracking or training device despite the "electronic collar" naming, and the brand is strict that only its proprietary battery be used to avoid voiding the warranty.
Based on the manufacturer's own listing, the MS-5 is a purpose-built access collar for High Tech Pet's door and containment ecosystem — not a GPS or training collar — with a rugged, waterproof build and a straightforward battery-replacement model. If you already own or are planning to buy a Power Pet Door, Sound Barrier, or Yard Barrier, it's the compatible collar that makes those systems work for your pet.
Check current pricing, pattern options, and stock directly on the official product page: View the High Tech Pet MS-5 Collar deal.
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