Product Detail All steel construction with fully upholstered interior UL Classified ¿ class 350 with fire resistant material Electronic lock with LCD display, low battery warning and two user codes available, requires 4 ¿ AA batteries (not included) Emergency key system used to bypass the electronic lock if the batteries die or you lose your code (2 emergency keys included) One anchor hole provided to secure your safe, located on the bottom of the safe (1 concrete anchor included) . The "Mesa Safe Company MFS55E 1.5 Cubic Foot UL Certified Fire Safe with Digital Lock" is best product for you. We recommended Mesa Safe Company MFS55E 1.5 Cubic Foot UL Certified Fire Safe with Digital Lock