Adjustable Mechanical Design : Offers full flexibility with installation as it fits both left and right-handed doors. Rotatable design ensures perfect alignment regardless of door type. High Anti Theft Protection : Built with robust stainless steel materials and dual unlocking methods, this door lock provides superior anti-theft capabilities to protect your home or business. Battery Operated Long Life : Requires only four AA batteries (not included) and delivers over one year of operation on standard batteries, reducing maintenance and replacement frequency. Smart Reminder Alarm : Integrated smart alarm alerts users when the door is not fully closed, ensuring added security and peace of mind at all times. Easy To Install : Designed for simple DIY installation with clear instructions and minimal tools required. Compatible with most existing access control systems and video doorbells. Elevate your security system with this premium Adjustable Mechanical Design Electric Door Lock. Featuring fail-secure operation, it locks automatically during power loss, offering unmatched safety. With support for up to 970 ID cards and remote control access, this lock provides convenience without compromising security. Its durable stainless steel body resists corrosion and wear, while the battery-powered design eliminates the need for hardwiring. The smart reminder alarm function sounds when the door remains open too long, helping prevent unauthorized access. Easy to install and compatible with most access control setups, this lock is ideal for homes, offices, schools, hotels, and warehouses.