Features: brand new and high quality Made of high quality material, durable and practical to use All-in- flexibility: fingerprint + access card (including 2) + password (4 ~ 12 digits) + spare key can be unlocked. It can accommodate up to 300 users and allows the owner to track entry records. Individual users can be added or deleted directly on the keyboard without using a computer. Voice Guided Door Lock-will guide you through the process. You can change the user code, add or remove users on the device just by using the touch screen. Anti-Peeping Virtual Password: Anti-Peeping Password is a random number + correct number + random number, users can enter any random number before or after the correct password to create unlimited random passwords to protect your location Reversible handle: This lock is suitable for left-handed or right-handed doors; the reverse lever is controlled by a key; the direction of the handle can be changed freely (free handle). Not waterproof, only suitable for home and office indoor doors Additional holes are required on the old door. Standard latch 60MM, suitable for American standard 2- 1/8 "diameter holes, wall thickness is 1-1 / 4" to 2-1 / 4 " Specifications: Material: Zinc Alloy Touch Screen: IML Material Password Function: Support Virtual Password Read Time: 0.3 Seconds Unlocking Method: Fingerprint / Password / Smart Card / Key Power: 4.5V-6.5V (4 AAA Batteries, Not Included) Typical Quiescent Current: