Overview: This fingerprint lock is suitable for all kinds of doors. Easy for you to install within 1 minute. We take advantage of our previous experience to make it easier, more convenient and user-friendly. It will be the easiest home safety solution to you. Features: Simple Installation: No cord and no professional are needed. It fits most doors that uses lever door lock and is applicable to both left and right handle. Easy Operation: You can not only unlock the door with your fingerprint or the code you set, but also can open the door with APP, very smart and convenient. Indubitable Safety: Your fingerprint is unique in the world, which guarantee the safety without doubt. Taking advantage of technology of semiconductor and biological characteristics is adopted, which avoids the same fingerprint. What's more, made of durable Zinc Alloy material, its quality is reliable. One-step Accessing: Ergonomic design, easy for you to unlock the door within 1 second by putting your fingerprint on it. It will lock for you automatically, keeping you and your home safe all the time. Energy-saving Design: No more worry about pollution or wasting money. With built-in lithium battery, it can be used for a year after being fully charged for 30 minutes.(The charging interface is on the end of the handle.) Versatile Lock: Meeting the standards of most lever lock, equipped with a bag of screws and a latch (60-70mm), you can fix it on your door which the thickness of the door is 35-55mm. Specifications: Product Name: Fingerprint Lock Brand: WAFU Model: WF-016 Unlock Mode: Fingerprint Fingerprint Capacity: 40 groups Material: Zinc Alloy Fingerprint Senor: FPC Semiconductor Standby Time: 500 Days Anti-static: 8kv-15kv Fingerprint Acquisition Time: ≤0.5s Working Temperature: -20℃-65℃ Working humidity: 0-90%RH Color: Black, Black & Silver Finger Angle: 360 ° Charging: Mirco-USB (Micro-USB Cable Is Not Included.) Battery: 3.7V 800mAh lithium battery (included) Service life: >5000 Times Package Information: Package Size: Approx. 25.5 * 18 * 10.5cm / 10.04 * 7.09 * 4.13oz Package Weight: Approx. 1128g / 39.79oz Package List: 1 * Fingerprint Lock 1 * User Manual 1 * Screws Bag ( Thickness of Door is 35-55mm.) 1 * Latch (60-70mm)