1、One Step Access: Ergonomic design, lightly press the fingerprint, and open the door in 1 second. It will automatically lock for you to protect you and your family safety at all times. 2、Multifunctional Lock: Fingerprint lock conforms to the standard of most lever locks, equipped with a pack of screws and a breech lock (60mm), you can fix it on a door with a thickness of 30‑60mm. 3、Simple Operation: Not only can you open the door with your fingerprint or the set password, you can also use the APP to open the door, which is very smart and convenient. 4、High Security: Utilize semiconductor technology and biological characteristics, share the same fingerprint, and more importantly, it is made of durable zinc alloy material with reliable quality. 5、Easy Installation: APP fingerprint lock does not require a power cord, nor does it require professionals. And it is suitable for most doors with door locks, and for left and right handles. Item Type: Fingerprint Door Lock Material: Zinc Alloy Unlocking Method: Fingerprint, Password, APP (BT) and Key Unlock Fingerprint Capacity: 50 Pieces Fingerprint Sensor: FPC Semiconductor Standby Time: 500 Days Anti Static: 8kv-15kv Fingerprint Collection Time: ≤0.5s Working Temperature: -20--70℃ Working Humidity: 0-90% RH Finger Angle: 360° Charging: Mirco USB (Micro USB Cable is Not Included.) Working Battery: 6V (4 x AAA Batteries) Not Included Life: >5000 Times APP System: Support APP 1 x Front Handle 1 x Back Handle 1 x Locking Dog 1 x Gusset Plate 1 x Buckle Box [Contains 4 Fixing Screws] 2 x Keys 1 x Quadrate Bar 2 x Headless Screws 2 x Connecting Pipes 2 x Locking Screws 1 x Screwdriver 1 x User Manual 1 x Spare Screws