Feature: 1. High‑sensitive semiconductor 3D fingerprint sensor with FAR < 0.001%, FRR < 0.01% and identification speed ≤ 0.6s. 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: Item Type: Smart Doorlock Model: X2Material: MetalColor: BlackSize: Approx. 25 x 6cm/9.8 x 2.4in (L x W)Handle Length: Approx. 13.5cm/5.3inPower Supply: 4 x AAA Battery (Not Included)Password Length: 4-8DigitsSuitable Door Thickness: Approx. 38-55mm/1.5-2.2inOpen Direction: Left / Right (Adjustable)Emergency Power Supply: Usb Power Supply Unlock Method: Fingerprint Unlock + Password Unlock + IC Card Unlock + Mechanical Key UnlockSuitable Door Type: Wooden DoorFalse Acceptance Rate: < 0.001% False Rejection Rate: < 0.01% Fingerprint Identification Speed: ≤ 0.6s. Package List: 1 x Front Lock Body1 x Rear Lock Body2 x Screw Pack2 x IC Card2 x Key1 x Manual1 x Lock Body1 x Lock Tongue Box1 x Metal Sheet Note: 1. Please check if the thickness of your door is suitable for this lock (38‑55mm/1.5‑2.2in)2. When you receive the lock and find scratches, please do not worry about the surface of the lock body. There is a protective film on the surface of the lock body to prevent scratches. Please tear off the film.