Enhance Your Home Security with the Innovative Dv50 Wifi Door Guard Viewer, Designed to Offer Both Convenience & Peace of Mind. Its Pir Motion Detector Sends Instant Alerts to Your Smartphone Whenever Someone Approaches Your Door, While the Built-In Doorbell Adds Extra Functionality. the Two-Way Audio Feature Allows You to Communicate with Visitors Directly, with Adjustable Volume for Clear Transparent Sound. After Just 8 Hours of Charger, the Device Provides Up to 3 Months of Reliable Use. It Also Includes a Low Battery Reminder & an Automatic Shutdown Function to Improve Efficiency. the Dv50 Supports Sd Cards of Up to 64Gb, Giving You Ample Storage for Recordings & Visitor Photos. for Added Convenience, the Door Guard Viewer Can be Remotely Managed Through the Free Tuya App, Ensuring You Stay Connected Wherever You Are. Minimum Quantities Apply.