The housing is made of galvanized steel sheet with a solid steel door that is 4 mm thick. The electronic lock is easy to operate and can be programmed with a memorable personal code, creating millions of combination possibilities. Additionally, the lock features a false code lockout. After three incorrect code entries, the lock enters a lockout period. The Phoenix Series ss0720E is suitable for floor or wall mounting. The easy-to-install anchoring material provides additional security when mounted on concrete, wood, and asphalt floors or when bolted to a wall.