Smart Door Key Compatible with Smart Applications and Includes Its Own Codes

Smart door key compatible with smart applications and includes its own dedicated codes. The device is black in color. 1- Fingerprint unlocking (supports up to 100 fingerprints). 2- Bluetooth unlocking via mobile phone. 3- Card-based unlocking (2 cards included with the device). 4- Password-based unlocking. 5- 2 emergency keys. The device operates on AA batteries, which are easy to replace.