Usage Notice Note: Please prepare a Phillips screw driver and PCs AAA batteries before Installation. 1. In default setting, it can be unlocked with original password 12345 ended with “4”, any fingerprint or mechanical key. 2. Thera will be a low power alarm wham voltage below 4.8V, please replace the new AAA batteries in time. 3. Please don't use any cor rodent material to clean lock surface. 4, Please use mechanical key to unlock when password and APP not work.