... volt alkaline batteries, direct current 6-voltUse method A. The state of leaving factory:1. Any ... with the password, you can just directly input a password of six numbers, then, push # button ... types authorities of users:a, Administrators: you can operate all the function operation;b, Permanent users: you can ... hour, minute and second, for example: 09: 45: 32, it is for nine O’clock past thirty two ...