Two-year warranty from the date of purchase 🔐 TTLock smart lock for armored doors Advanced security and smart control that combines strength, ease of use, and full door management via the TTLock app. 📲 Smart control via TTLock app Unlock the door with a passcode. Create temporary passcodes for guests and workers. Manage users and permissions. View entry and exit logs. Remote unlock when a Wi-Fi gateway is added. 🔑 Unlocking methods 🔢 Passcode 💳 Smart card 📱 Mobile app 🔑 Mechanical key for emergencies Power and Batteries Operates on CR123A batteries. Batteries are included in the box. Low power consumption and long operating life. Low battery alert. Emergency unlocking is possible when the battery runs out. Designed for armored doors Strong and durable structure suitable for high-security armored doors, and ideal for homes, apartments, offices, and rest houses. ✨ Stronger security, easier control, and greater convenience... Unlock your door with confidence from anywhere. 📱 App name: TTLock 🍎 iPhone: 🤖 Android: