Key cabinet with electronic locking device adds higher security to protect important keys. Made of welded heavy-gauge steel with full piano hinges. Interior holds numbered, writable white key tags with chrome-plated steel hooks. Includes a key control chart to record lock and key location. Yellow key loaned tags are included to identify your current users of secured keys. Door handle features an easy-open lock. Electronic locks provide up to eight number keypad codes for enhanced security. Three wrong entries result in an alarm and automatic lockout. Offers two manual override keys for emergency opening. Features a low-battery indicator and rich scratch-resistant, silver vein powder-coated enamel. Electronic key cabinet includes four AA batteries.