Feature: 1. The smart door lock can be unlocked by fingerprint recognition and a touch keypad that is concealed on the handle. 2. Virtual password input with anti‑monitoring function. If your correct door opening password is 123456, inputting 1111+123456 can also open the door. 3. Simple installation, no wiring, no drilling required. It can be installed on your door in about 5 minutes with a single screwdriver. 4. The door lock is made of weatherproof zinc alloy, anti‑corrosion and high strength for maximum durability. 5. It is powered by 4 AAA batteries (not included) and supports USB interface emergency power supply unlocking (USB charging port is located on the external control lever). 6. It replaces the standard single‑cylinder American door lock. 7. Suitable for internal and external dimensions from 60mm‑70mm/2.4 ‑ 2.8in and suitable for door thicknesses between 35mm‑55mm/1.4 ‑ 2.2in. Specification: Condition: 100% Brand New Item Type: Door Lock Material: Zinc Alloy Color: Black Unlock Mode: Fingerprint + Touch Password + Key Power Supply: 4 x AAA battery (not included) or USB emergency power supply Handle Length: Approx. 13cm / 5.1in Low Battery Alarm: 5V Working Current: ≤250ma Standby Current: ≤75Ua Fingerprint Capacity: 100 Password Capacity: 150 Fingerprint Pixel: 160x160 False Reject Rate: <1% False Accept Rate: <0.001% Package List: 1 x Fingerprint Lock2 x Panel (Front/Back)1 x User Manual1 x Mounting Kit (with Screwdriver)1 x Lock Tongue 2 x Key Note: 1. If the battery is low, it may cause the fingerprint recognition speed to be slow. This is normal. Please replace the battery in time.2. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.