Features: 1. Unlocking : App+ Password+card 2. App management, password are generated from app and can be setted to limited by time 3. Date starage in cloud service User can be added or deleted remotely 4. Attendace records can be checked remotely History can be checked remotely 5. One app can manage many systems Easy to upgradte from normal door access system to bluetooth smart door access system 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. Auto-lock: Auto lock within 5 seconds of unlocking. Real time monitoring: Administrator receives a push notification when a user unlocks with App. Log in with a different mobile: When log in with a different mobile, the previous one logs out automatically. Message notification: A message is pushed to the previous Administrator when the lock is reset. Material: plastic colour: Black Package Contents: 12 x badge reels retractable 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.