Hotel and residential intelligent wall safe, with easy installation, maintenance, and management features our hotel wall safes have become a special safe in the hospitality industry. Designed with the traveling guest in mind, the intellignet safe will adequately secure laptop, cameras, jewelry, and other valuables, in the most user friendly hotel wall safe ever made. Three types of operational modes 1. personal mode:open and close the door with personal code or personal credit card . 2. hotel mode:you could reset personal code or personal credit card every time you lock the safe . 3. safety mode:open and close the door with personal code and personal credit card at one time Optional 3,4,5,6 digits setting Optional master code and master credit card setting Optional CEU(computerized emergency unit), which has multifold functions: 1. as the electronic override key 2. read and export safe's last 100 times door opening records 3. as the emergency power if the safe's batteries were run out Low energy consumption: 4 AA size alkaline batteries will last 18 months, based on 5 times door opening per day. optional override mechanical lock Printable last 100 times door opening records(may be upgraded up to 2000 pics of records)---options.