Never wonder if your door was left open again. This compact smart door sensor works seamlessly Quattro Smart Locks to monitor the open and closed status of your door in real time. If the door is left open for too long, you’ll receive instant alerts via the app—helping prevent accidental security risks or energy loss from open doors.Perfect for homes, offices, and short-stay properties, the sensor is easy to install and discreet in design. It runs on a long-lasting CR2032 coin battery, offering up to 12 months of use, and alerts you when it’s time for a replacement.
