This MagnetoSpeed V3 Chronograph Kit includes a display unit, retractable connection cable, standard 6ft connection cable, stainless steel blast shield, rubber V-block spacers, microSD card, bayonet sensor, polymer spacer kit, heavy duty strap, alignment rod, and a hard case with custom cut foam. The V3 features a three-button menu, advanced data logging, rapid mode with rate-of-fire, bracket, dual data connection points, rugged strapping system, rugged display housing, improved shooting modes, and downloadable firmware updates. The V3 was built to fit barrels and suppressors from 1/2" to 2" in diameter and has 1" more clearance in the blast zone for up to 3" muzzle brakes and flash hiders. Kit includes: Display UnitRetractable connection cableStandard 6ft connection cableStainless steel blast shieldThick and thin rubber V-block spacersmicroSD card with adapterBayonet sensorPolymer spacer kit with screw hardware and allen wrenchHeavy duty strap with thumb nut tightenerHard case with custom cut foamAlignment rodInstructions MagnetoSpeed V3 Chronograph Kit