Caldwell Ballistic Precision Chronograph Premium Kit contains everything you need to capture reliable velocity data in one convenient kit. Includes Chronograph, IR LED Light Kit, Tripod and Custom Carry Case that conveniently holds all items. The Ballistic Precision Chronograph offers highly accurate velocity measurements in various shooting conditions. Its advanced technology includes a high-speed 48 MHz processor and computer calibration for superior accuracy (+/- .25%). Despite its technological sophistication, it's user-friendly with a large LCD screen displaying velocity in feet per second or meters per second. Additionally, it can transmit shot string velocity data to a smartphone via an included audio jack cable and free downloadable app. The app provides shot velocity data, calculates statistics like average velocity and standard deviation, and allows for data storage and export. The chronograph features extra-wide sunshades for reliability in sunny conditions, measures velocities from 5 to 9,999 FPS, and can be tripod-mounted. It operates on a 9-volt battery (not included). Product Features Tripod Height adjustable from 15"-42" Inclueds 1/4-20 Dovetail Plate Custom Carry Case is constructed of durable ballistic fabric with heavy duty dual zipper design simple operation, large LCD screen