Feature:1. Mute door lock, do not disturb family members in the middle of the night, can be set to normally open mode, enter and exit at any time without disturbing family members.2. Smart IC card, security encryption, magnetic card is opened as soon as you swiping, security encryption is efficient, convenient and safe.3. Void password, anti‑peeping, the password can be entered at will, as long as the correct password is inserted in the middle, the lock can be unlocked.4. Zinc alloy anti‑oxidation bright technology, carefully polished by multiple processes, compact and beautiful, practical.5. Wide range of applications, suitable for anti‑theft doors, office buildings, restaurants, gates, wooden doors, etc.Specification:Item Type: Smart Door LockMaterial: Zinc AlloyColor: As shown in the pictureFront Panel Size: Approx. 150x65x80mm / 5.91x2.56x3.15in Lock Tongue Size: Approx. 58x27x98mm / 2.28x1.06x3.86in Weight: Approx.2145g/75.7ozBattery: 4 x AA battery(Not included)Unlocking Method: Password, IC card, keyInitial Password: 123456Suitable for Door Thickness: 30~65mm/1.18~2.56inApplicable Type: Indoor/outdoor doorApplicable Environment: Waterproof and high temperature resistantApplication: Apartment doors, schools, hotels, dormitories, real estates development, office buildingsHow to Use: Open the installation hole according to the opening diagram, use the accessories, complete the installation, and set the password.Package List:1 x Front Panel1 x Back Panel1 x Battery Case(Battery Not Included)2 x Rubber Mat1 x Lock Tongue1 x Door Holder1 x Stopper1 x IC Card1 x Cotter Pin2 x Keys1 x Bolts1 x Fixed Rotating Shaft Pin1 x Accessory2 x Adapter Column2 x