Blusafe Solutions
Blusafe DS3 Wi-Fi Window & Door Sensor
Blusafe DS3 Wi-Fi Window & Door Sensor
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Key features at a glance
Every opening, watched.
The DS3 is a standalone Wi-Fi window and door sensor for places your smart lock cannot see.
The Blusafe DS3 connects directly to your home Wi-Fi and reports open/closed status to the TTLock app. Use it on windows, back doors, side doors, outbuildings and secondary openings.
It is a monitoring sensor rather than a lock accessory: it alerts you when an opening changes state, but it does not connect to a lock and does not trigger auto-lock.
| Choose DS3 if | You want standalone Wi-Fi monitoring for windows, back doors, side doors or secondary doors. |
| DS3 connection | Connects directly to your router over Wi-Fi — no gateway or lock pairing required. |
| Choose DS2 if | You want your main smart lock to sense door closure and trigger auto-lock. |
| Important difference | DS3 monitors. DS2 controls lock behaviour. For main-door auto-lock, choose DS2. |
| Connection | Wi-Fi — standalone connection to your home network |
| Best for | Windows, secondary doors, back doors and side doors |
| App | TTLock for iOS and Android |
| Lock pairing | None — does not bind to a lock or trigger auto-lock |
| Power | 2 × AA batteries |
| Dimensions | Approx. 70 × 40 × 19.5 mm |
Why you will like it
✓Perimeter awareness
Add app visibility to the openings your front-door lock cannot monitor.
✓No extra bridge
Connects directly to Wi-Fi, so there is no hub to buy.
✓Clear DS2/DS3 choice
DS3 for monitoring; DS2 for main-door lock automation.
Frequently asked questions
Can the DS3 trigger auto-lock?
No. The DS3 is a standalone Wi-Fi monitoring sensor. Choose the DS2 if you need a sensor that pairs with the lock and triggers auto-lock.
Does it need a gateway?
No. It connects directly to Wi-Fi.
Can I use several around the home?
Yes. Add one to each window, back door or secondary opening you want to monitor in the TTLock app.
Free UK Delivery ● 2 Year Warranty ● UK-Based Support
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