WELOCK Smart Lock Door Sensor

Know the status of your door anytime, anywhere.

The WELOCK Door Detector Sensor is a Bluetooth door sensor designed to work with the WELOCK WiFiBox3 gateway and the free WELOCK app. Whether you're at home, in the office, or traveling, you can remotely check whether your door is open or closed in real time via your smartphone.

Key Features:

Open or Closed Alerts: Green light = open; Red light = closed
App Notifications: Get notified instantly when the door status changes
Works with WiFiBox: Requires WELOCK WiFiBox for cloud connectivity
Battery Powered: Powered by 2 × AAA batteries with ~1 year lifespan
Simple DIY Installation: Use included 3M adhesive strips—no tools required
Bluetooth 5.0: Stable wireless connection (range <10m, unobstructed)
Weather Resistant: Works in extreme conditions (-40°C to 65°C, 10–90% RH)

Stay Notified. Stay in Control.

Get real-time door status updates via the WELOCK app. Whether the door is open, closed, locked, or unlocked—you’re always informed. Receive instant alerts when the status changes, like when your child arrives home or a door is left ajar.

Effortless DIY Installation

Just like other WELOCK products, the Door Detector Sensor is simple to install without professional help. Its minimalist white design blends discreetly into any doorframe. Setup is guided step-by-step within the WELOCK app—no tools required.