Features 1、High‑sensitive semiconductor 3D fingerprint sensor with FAR &lt; 0.001%, FRR &lt; 0.01% and identification speed ≤ 0.5s. 2、Method to unlock, fngerprint unlock + password unlock + IC card unlock + mechanical key unlock. 3、Support virtual password input to prevent your password known by others, if your correct password is 123456 you can enter ***+123456+*** to open the door. 4、The backlit password keyboard allows you to find your door lock and easily unlock in the dark. 5、Lift lock + electronic lock indoors make it is more convenient and safer than the conventional mechanical lock. 6、Free to adjust the opening direction of the lock by adjusting the screws behind the handle. Specification Condition: Brand New Item Type: Smart Doorlock Model: X2 Material: Metal Color: Black Size: Approx. 25 x 6cm/9.8 x 2.4in (L x W) Handle Length: Approx. 13.5cm/5.3in Power Supply: 4 x AAA Battery (Not Included) Password Length: 4-8Digits Suitable Door Thickness: Approx. 38-55mm/1.5-2.2in Open Direction: Left / Right (Adjustable) Emergency Power Supply: Usb Power Supply Unlock Method: Fingerprint Unlock + Password Unlock + IC Card Unlock + Mechanical Key Unlock Suitable Door Type: Wooden Door False Acceptance Rate: < 0.001% False Rejection Rate: < 0.01% Fingerprint Identification Speed: ≤ 0.5s Package List 1 x Front Lock Body 1 x Rear Lock Body 2 x Screw Pack 2 x IC Card 2 x Key 1 x Manual 1 x Lock Body 1 x Lock Tongue Box 1 x Metal Sheet