Feature:1. EASY TO USE: Fingerprint unlock with just one grip. Grasp the handle to accurately identify fingerprints. When pressing down on the handle, the lock can be easily unlocked and the door can be opened at home in one go.2. REMOTE SENDING OF TEMPORARY PASSWORD: APP can generate a one time password at any time and send it to temporary visitors, set the effective time, so that visitors can access more easily.3. ANTI PRYING ALARM: Safety anti prying alarm can defend the safety of the home, and the lock emits an alarm sound.4. IC CARD OPENING: Suitable for the elderly, convenient and safe. When the fingerprints of special populations such as the elderly, children, and finger injuries cannot be recognized, you can carry a smart card and use the card to open the door.5. INTEGRATED STRUCTURE: Simple and durable design, with 4 x AAA batteries(not included) for long lasting battery life, and proactive reminders when the battery is low; When the power is exhausted, the mechanical key can be used to open the door, or the power bank can be connected to the micro USB at the bottom of the smart lock for temporary power supply.Specification:Item Type: Smart Fingerprint LockMaterial: ABS, Aluminum Alloy Power Supply: AAA battery x 4 is required (shipped without battery)Maximum Number of Fingerprints: 50 setsMaximum Number of IC Card Sets: 100 setsUnlock Method: Fingerprint, password, app, card, mechanical keyApplicable Indoor and Outdoor Door Types: Anti theft door, wooden door, stainless steel door, copper doorApplicable Door Thickness: Approx. 30 to 100mm / 1.18 to 3.94in .Package List:2 x Lock 2 x IC Card 2 x Key 2 x Screw Tube 10 x Screw 1 x Safety Switch 1 x Iron Sheet 2 x Iron Rod Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.