Item Type: Smart Lock Material: Zinc Alloy Password Length: 6-10 digits (support dummy password) Safety Function: Lift up for double lock, lock from the inside Emergency Power Supply: USB interface Spare Keys: 2 Power Supply: 4 x AAA batteries (not included) Cylinder Level: C-level safety lock cylinder Number of Cards Supported: 100 Fingerprint: Semiconductor fingerprint recognition Fingerprint Capacity: 100pcs Password Capacity: 100 groups How to Use: 1. Download TTlock APP 2. Open the TTlock APP 3. Connect to the same WIFI hotspot 4. You can use the TTlock APP to unlock 1、Support multiple unlocking methods: fingerprint, password, IC card and emergency mechanical key. 2、Artificial intelligence learning algorithm, high recognition rate, improve the recognition ability of wet, dry, and incomplete fingerprints, and the fingerprint misrecognition rate is less than 0.005. 3、It supports virtual password input to prevent others from peeping. If your correct password is 123456, you can enter ***+123456+*** to open the door. 4、The password keyboard with backlight, convenient for operation at dark night. Support for TTLOCK remote unlocking with gateways (not include gateways). 5、High safety performance, lifting up for double lock + electronic lock inside the door, more convenient and safer than conventional mechanical lock. 6、Standard configuration, suitable for any internal, external, left and right opening doors, suitable for 99% household entrance doors/anti?theft doors. 1 x Outside Lock Panel 1 x Inside Lock Panel 1 x Lock Bolt 1 x Buckle Plate 1 x Buckle Box 2 x IC Card 2 x Key 1 x Screw Pack 1 x Installation Accessories Pack 2 x Manual 1 x Location Card