Unlocking: App+ Password+card+remote Control+temporary Password App management,password are generated from app and can be setted to limited by time Attendace records can be checked remotely History can be checked remotely Share eKeys via APP with different levels of authorization Keypad protection:Keypad is locked for 5 minutes after 5 times entry of wrong passcode. Psuedo passcode:Key in any digits, the lock is unlocked if the last digits comprise of the real passcode Bluetooth standard:Bluetooth for 5.0 BLE uncaging time:Admito 1.5 seconds operating temperature range:-20-70℃ Key type:S. Capacitive touch button Number of passwords:Custom and permanent password Number of IC cards:1000 Open the lock way:App, password, fingerprint, IC card (The product printed words may vary depending on the batch, but this does not affect use) Color:Black Material:Aluminum Alloy Package Contents: 1 * TTLOCK Door Lock Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.