Features: Made of high quality zinc alloy material, safe and eco-friendly, durable and sturdy to use. Compact design, exquisite and precision workmanship. Suitable for both safety doors, doors, wooden doors, glass doors. Multiple ways to unlock: fingerprint unlock, password unlock and mechanical key unlock. Make you feel safe and convenient. Support 100,000 times of rotating reliable test to make sure high stable and safe quality. Easy installation. All necessary accessories are provided to you that convenient to install. Low-power consumption design, energy-saving and durable, strong anti-interference capability. 360 degrees automatic recognition: Pressing the correctly registered fingerprint at any angle on the module can be effectively recognized. Specification:Material: Zinc Alloy Color: Shown as PictureSecurity Level: Top LevelSuitable Door Type: safety door, door, wooden door, glass door Adaptive Door Thickness:55-110mm Lock Cylinder Size: 80mm (40mm, 40mm) (meaning the lock hole is in the middle position) Electrostatic Protection: 15KVPower Input: 3.6-5VWorking Current: < 135mAStandby Current: < 10uAOperating Temperature: -30℃ ~ 80℃Voltage Withstand: 100,000 timesBattery Type: No. 7 (AAA)Battery(Not included)Unlock Mode: fingerprint, password, keyPackage Weight: approx. 661gPackage list:1 * Fingerprint Coded Lock(Battery Not included)2 * Keys1 * Screwdriver 1 * English User Manual