Top-opening storage compartment features a 1 1/2" capacity & a sectional divider for keeping everything organized. Self-locking latch keeps lid tightly closed. High-capacity clip holds up to a 1" stack of paper & features a built-in driver's license / ID card holder. Perfect for those working in public safety, great for police, fire & emergency personnel. Built-In Calculator – Eight-digit LCD calculator features auto shut-off & replaceable battery for dependable performance. Holds Paper Size: 8.5 x 12; Clipboard Actual Size: 9w x 3d x 14.5h; Clipboard Material: Recycled Aluminum; Clip Capacity: 1".