Hotel Smart Lock Card and Key Access for Wooden Door

Model Number: HC-F0204
Data Storage Options: Cloud
Material: Aluminum
Color: Black,Silver, Grey, Gold, RG
4 in 1 Unlocking: RFID card, passcode, App (TT lock), key
Card: Up to 200 cards can be used
Working Voltage: 4 AA/1.5V batteries(Normally 9 months)
Available door: 40mm-80mm
Alarm: low battery alarm