Linkstyle MIRA vs MATRIX II vs BRYN vs NIJITAG vs Smoke Alarm: Which One Should You Buy? [2026]
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Linkstyle: Which Device Should You Buy?
Five very different Linkstyle gadgets, from a $19.99 tracker to a $99.99 smart key box. Here is how to choose.
Which Linkstyle device should you buy first?
They solve different problems, so the best buy depends on what is annoying you. Want a general-purpose, low-risk start? The MIRA camera at $59.99. Sharing keys? The MATRIX II. Own an iPhone and keep losing things? The NIJITAG. Smoke alarm only makes sense once you own the Linkstyle gateway.
Five Linkstyle devices side by side
| Price | $59.99 | $99.99 | $39.99 | $99.95 | From $19.99 |
| Type | Indoor camera | Key lock box | Smoke / heat alarm | Pet feeder | Item tracker |
| Connectivity | 2.4GHz Wi-Fi | BLE 5.0 (Wi-Fi with hub) | Zigbee 3.0 (gateway required) | 2.4GHz Wi-Fi | Bluetooth + Apple Find My |
| Power | 5V Micro USB | 4 x AAA, USB-C backup | CR123A, ~5 yr standby | 5V USB, 3 x D backup | CR2032, ~12 months |
| Best for | Nursery, living room, pets | Hosts, landlords, realtors | Existing Linkstyle users | Cats, small dogs | iPhone users, keys, bags |
| Buy | Shop Now → | Shop Now → | Shop Now → | Shop Now → | Shop Now → |
Quick take on each device
MIRA Indoor Security Camera 1080P
The pick if you want eyes on a room. Pan and tilt, motion tracking, two-way talk and local storage for sixty bucks.
MATRIX II Smart Key Lock Box
For anyone sharing keys. Five unlock modes and IP65 weatherproofing; remote control needs the separate hub.
Smart WiFi Smoke Detector Alarm
Cheapest way to get smoke and heat alerts on your phone, as long as you own the Linkstyle gateway.
BRYN Smart Pet Feeder
Reliable scheduled feeding with a 3L tank and battery backup. Best with cats and smaller dogs.
NIJITAG Smart Tracker Tag
The cheapest buy-in here, and the only one that follows you around. iPhone required.
Answers before you buy
Which is the best all-rounder?
Which one needs an extra purchase?
What is cheapest?
Do they share an app?
Is there a coupon?
Start with the MIRA, add from there
The camera is the safest first buy; the MATRIX II is the strongest hardware. Scores here are editorial.
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