The most essential data for ballistics calculations is projectile speed. A chronograph is the best tool for the job. Whether you’re handloading for the range or building arrows for the hunt, the Xero C1 Pro chronograph provides the speed data you need to hone your craft.

General
Dimension	3.03" (77 mm) x 2.38" (60.5 mm) x 1.36" (34.44 mm) without tripod 5.1" (130 mm) x 4.5" (115 mm) x 5.5" (138.5 mm) with tripod
Weight	105.6 g without tripod 161 g with tripod
Water rating	IPX7
Display Type	sunlight-visible, transflective, monochrome
Display Size	1.3" x 1.7" (33 mm x 44 mm), 2.2" diagonal (55 mm)
Display resolution	240 x 320 pixels
Battery Type	internal rechargeable lithium-ion battery; nonreplaceable
Battery life	2,000 shots or up to 6 hours
Operating range	-10° C to 55° C (14° F to 131° F)
Memory/History	50 sessions at max 100 shots per round 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	yes (on ShotView™ app)
Tripod compatibility	yes (¼-20 thread compatible)