1、Fingerprint Recognition: Press down the handle, hold it and open, there is a groove design to guide the entry, comfortable handle, and the semiconductor fingerprint unlock is quickly recognized. 2、Password: Adopts virtual bit password technology, you can enter any number before or after the real password to avoid the password being peeped, and effectively protect the real password. 3、Feature: Support password, application control, card, key unlock, with voice assist operation, when you need to open the door frequently, you can set a normally open mode. 4、Practical: Equipped with a low battery alarm and emergency USB charging interface, after 5 times of error unlocking, the system will automatically lock for 30 seconds. 5、Durable Construction: Free handle design to prevent violent unlocking, malicious pressing, better protect the internal structure, and prolong the service life of the lock. 2 x Lock2 x Accessory2 x Key1 x Lock Cylinder2 x Card1 x Installation Diagram1 x Manual Item Type: Keyless Entry Door LockUnlock: Card, fingerprint, password, key, APP controlFingerprint Collection: SemiconductorMaterial: Aluminum alloyLow Battery Alarm And Emergency USB Charging Interface: EquippedVirtual Password: Enter any number before or after the real password (the total password length does not exceed 18 digits)Normally Open Mode: Keep the lock the unlockedNumber of Fingerprints Password Card Storage: 300 setsNumber of Fingerprints Storage: 110 groupsNumber of Administrator Settings: 9Error Unlock: After 5 incorrect unlocks, the system automatically locks for 30 secondsVoltage: 6V DC, 4 x 1.5V AAA batteries (not included) (working time up to 182 days (unlocked 10 times a day))Unlock Time: ≤ 0.5 secondsLock Cylinder Material: 304 stainless steelOperating Temperature: -25°- 60°COperating Humidity: 20-90%RH (non condensing)Applicable Door Size: Approx. 35-50mm/ 1.38- 1.97in (thickness less than or greater than also applicable)