Features·
5-way opening: bluetooth, dmss app, mifare cards, passwords and mechanical keys·
privacy password: xxx+password+xxx, preventing password to be seen by others·
passage mode and non-disturbance mode optional· auto lock when come across a consecutive invalid passwords or cards· low voltage alarm(<4.5v)·
huge storage: 50 cards, 50 passwords, 8 bluetooth· emergency power supply outside·
two colors optional· zinc alloy material