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The M3 Pro Smart Door Lock is an advanced, versatile security solution for residential and commercial doors. Equipped with multiple access methods, this lock allows entry via Wi-Fi using the Tuya App, a personal password, biometric fingerprint, RFID card, or a traditional mechanical key. It supports TUYA (Smart Life), enhancing its connectivity and user management capabilities. The lock is designed to fit 99% of doors thanks to its compatibility with various mortise types and features a 6068 Multi tongue lock body. Its uniquely thin and stylish panel suits most wooden doors, while the one-touch-access biometric fingerprint sensor provides quick and secure entry. The robust aluminum alloy lock panel is both anti-corrosion and sturdy, ensuring long-lasting reliability. For emergency situations, there’s a back-up USB external power supply interface. Additionally, the lock’s handle is freely reversible, allowing easy installation on either the left or right side of the door. An upgraded structure with waterproof rubber makes this lock suitable even for exterior gates, ensuring durability and performance in all weather conditions.