: Always keep your mechanical emergency key in a safe place outside the home (like your car or office) in case of total electronic failure. 🔐 How to Program Your Lock
Zeus Z3 Type: Biometric / Keypad / RFID Digital Door Lock Power Source: 4 x AA Alkaline Batteries Emergency Power: 9V Battery (Terminal on exterior) Zeus Z3 Digital Lock Manual
(also known as the Zeus Z-3 Duo Pro ) is a Korean-made digital lock that supports multiple entry methods, including fingerprint, PIN code, RFID card, and remote smartphone app control. Programming and Use : Always keep your mechanical emergency key in