Unlocking Methods - 3D Face Recognition, Fingerprint, RFID Card, Password Remote, Mechanical Key, Inbuilt Wi-Fi for unlocking from remote location whenever you want APP Features - Remote Unlocking with visitor Video/Audio with or without lock bell press, Start camera from app whevener you want to seel ive video, hoto notification when someone stands for 15 seconds in front of lock, Unlocking Notifications, Visitor photo is stored in log who presses bell on lock, One Month History, Multiple App Users, Supports Android & iPhone​ Security Features - When wrong Face, Fingerprint or PIN entered more than 4 times you will get siren & notification in app. When someone tries to remove lock from door you will get siren in lock and notification on mobile. Automatic Locking on door close with electronic mostise. Door locking from app not available can only unlock. PIN Hiding - You can type any number before and after your actual PIN to hide from anyone watching you. Emergency Power - If you are away from home for long time and battery is down you can charge it using power bank or use key to unlock. Low Battery Alert - Get low battery alert on mobile. Cancel a Lost Card - Delete users from lock easily. Golens provides a professional paid installation service to ensure your product is set up and ready for use. After installation, we offer complimentary on-site support to address any issues that may arise. Installation charges range from ₹1200 to ₹1500, depending on your location.