The MMF Industries 225106001 Model 1060 Touch-Button Large Steel Cash Drawer automatically springs open when the release button is pushed (the key must be in unlocked position). An alarm bell sounds each time drawer is opened. (The alarm can be easily deactivated if desired). Included mounting brackets enable you to mount under counter. The included tough, high-impact plastic removable cash tray has two locking options: flat key (keyed alike) or disc tumbler security lock (keyed differently). The gray-colored drawer's overall measurements are 17-3/4-by-15-3/4-by-3-3/4-inches (WxDxH).