IC version: equipped with 1 IC card and 2 NFC keychains (not applicable for metal cabinets and stone cabinets)

The keychain is suitable for doors with a thickness of less than 2.5CM; If the door thickness is over 2.5CM, please use an IC card

BT version: WeChat mini program Bluetooth unlocking; Remote authorization for unlocking; Yuan Planner unlocks you; Unlock Record Query

IB model: IC+BT+remote

Hidden installation:

No need for punching, internal installation, drawer cabinet intact and undamaged

Low battery reminder:
When the voltage is low, swiping the card will make 8 beeps to open the door lock, and the lock tongue will not come out after another 8 beeps. This lock is in a normally open state, reminding the user to replace the battery