Blusafe DS3 Wi-Fi Window & Door Sensor

Key features at a glance Built-In Wi-Fi App Alerts Status History Door Monitoring Window Monitoring TTLOCK PLATFORMSTANDALONE WI-FI Every opening, watched. The DS3 is a standalone Wi-Fi window and door sensor for places your smart lock cannot see. No hub requiredOpen/closed alertsWindows & side doorsTTLock app 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. DS3 OR DS2 — WHICH DO I NEED? 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. TECHNICAL SPECIFICATIONS 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