* Suitable for wooden and iron doors. * Opening methods: fingerprint, passcode, card, key, and mobile app. * Works with 4 batteries. * Opens within one second. Electronic smart lock for all types of doors ✔ Fingerprint unlock ✔ Passcode ✔ Mobile app ✔ Backup key Suitable for wooden and iron doors. Features: * Fast opening within one second. * Works with 4 batteries. * Ability to control the lock via the mobile app. * Modern, secure, and easy-to-use design