Buddy Electric Key Safe Cabinet Electronic key safe cabinet offers a unique battery-operated, key security system that can be mounted to the wall. Programmable electronic keypad allows limited access. Faceplate removes to reveal a backup key lock in case of battery failure. Key safe cabinet includes two keys, key tags, mounting hardware and four AA batteries. The door is made of heavy-duty 11 gauge steel, and the body is made of heavy-duty 14 gauge steel.