Your MKIV Championship Chronograph and Shot Timer features an included top-of-the-line - full-function chronograph - at no extra cost. This allows your MKIV Timer to do double duty in both load development and verification, but also helps you refine your zero to perfection.FeaturesShot Timer FunctionsChronograph FunctionsFull numeric keypadDimensions - 8" x 6" x 4"Note: To use as chronograph, the device will need to be paired with a PACT Sky Screen system.