LOCKTECH - 4-Drawer Fire Resistant Filing CabinetSelective locking system which permits locking of any drawer independently or collectively. Offers a smooth and quite suspension filing system to protect your important documents from and fire and theft. Top drawer digital lock control. The new digital lock combination can be set to 1 to 6 digit codes. Low battery warning signals external replacement of standard AA alkaline batteries. Adjustable dividers for each drawer. All drawers independently fire