Garmin Xero C2 Ballistics Chronograph Universal With more than 20 years 84 2015 With more than 20 years of experience designing and producing windshields 4mm wall thickness CAPTURE PRECISION Operating range 10° C to 55° C (14° F to 131° F) Memory History 200 sessions before a ShotView™ app sync is required to save data to phone Interface USB C Daily Smart Features Connectivity BLUETOOTH® technology Mobile app ShotView™ app Chronograph Features Tracks rifles up to 5000 FPS yes Tracks bows and crossbows up to 600 FPS yes Track pistols up to 5000 FPS yes Tracks air rifles up to 2000 FPS yes Tracks airsoft up to 1000 FPS yes Track other projectiles up to 5000 FPS yes Calculates kinetic energy at muzzle yes Calculates power factor yes Calculates extreme spread yes Calculates standard deviation yes Calculates string average yes Delete shots in string device or app Decimal precision yes Add individual shot notes yes (on ShotView™ app) Add session notes yes (on ShotView™ app) Mark shots with clean cold bore yes (on ShotView™ app) Exclude shot from average and standard dev calculations device or app Tripod compatibility yes (¼ 20 thread compatible)