🔐 Unlock via fingerprint, PIN, RFID card, mechanical key, or TTLock app
📞 Optional live video intercom (depending on variant)
📱 Remote management via TTLock (Bluetooth) or optional Tuya/Smart Life (Wi‑Fi)
🔋 Powered by 4 AA batteries with USB emergency backup
🛡️ Designed for 10–12 mm thick frameless or framed glass doors
