2/Unlock by Fingerprint, code,M1 Card & Key
3/100% waterproof ,Zinc alloy finest material,Anti-corrosion
4/European swing or sliding hook Mortise (3585/4585/6085 mortise optional)
5/With Smart Fingerprint, code , M1 Card, key function
6/High Security Super C lock core,and hidden mechanical key
7/Support BT TTLock APP or TUYA WIFI or TUYA BT Mesh