Specification: 1.Platform: TTlock app/TTRenting App/TThotel/Sciener Web System 2.conforms to IP67 waterproof, supporting outdoor use 3.Door opening mode: ttlock app, Face Recognition, password, 13.56 mhz IC card,TTlock R1 remote control, temporary password. 4.The keyboard backlight can be turned on or off manually Time attendance function is supported to manage employee clock in records Support code or eKeys sharing to visitors and friends through social software Support third-party voice control: compatible with Amazon Alexa and Google assistant Message notification: A message is pushed to the previous Administrator when the lock is reset. Date starage in cloud service User can be added or deleted remotely 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. Note:If you require remotely Door opening and control from anywhere, you need to purchase G2 ttlock Bluetooth gateway for WiFi connection. Specifications:K5F Color: Gray-black Material: Aluminum alloy Package Contents: 4 x Face Recognition Access 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.