Installation Instructions

Apartment assistant
The apartment assistant module can be
seen in the lock app only when the key
comes from the apartment.
In the apartment assistant module, you can
pay rent and repair. The landlord collects the rent
from the Room Master APP and sends the rent bill
to the tenant. According to actual usage, the bill
includes rent, water and electricity, gas, property,
broadband, etc.
TT lock function
（ Ⅲ ）Main functions-registration and login