Description: A rigid steel enclosure, The Keybox drops 3 separate keys when 3 separate codes are entered into its keypad. The viewing window is constantly illuminated to display your keys, while a separate LED lights up in the bottom tray only when a key is dropped. A cam lock keeps the box shut until reset. 1200 different user codes can be programmed with 100 million possible combinations, though you should only need three! Programming instructions supplied. Completely plug and play!