Garmin Xero C1 Pro Chronograph Features Pair with your smartphone, and use the ShotView(TM) app to record results and keep track of your data: compare velocity for every shot fired, calculate extreme spreads, keep track of different projectiles, track deviation and more Measures medium- and high-velocity projectiles from 100 fps to 5,000 fps for bullets, arrows, bolts, slugs, birdshot, paintballs and airsoft BBs Easy to set up and simple to use; turn it on, point it in the right direction, and shoot within roughly 15" of the device No need to attach anything to your firearm, which means it won't affect your zero or barrel harmonics Compact design is easy to transport since it fits in your back pocket Up to 6 hours of battery life give you plenty of time at the range Built to endure the elements with IPX7 water-resistant rating Features an easy-to-read, backlit display Button-operated design is simple to use Specs Includes: Xero C1 Pro chronograph, 1/4-20 thread tripod mount, USB Type A to Type C cable, documentation. Unit Dept: 1.36" (34.44 mm) without tripod / 5.5" (138.5 mm ) with tripod Battery Type: Internal rechargeable lithium-ion battery; nonreplaceable. Unit Height: 2.38" (60.5 mm) without tripod / 4.5" (115 mm) with tripod Unit Width: 3.03" (77 mm) without tripod / 5.1" (130 mm) with tripod Memory Capacity: 50 sessions at max 100 shots per round before a ShotView(TM) app sync is required to save data to phone. Unit Weight: 105.6 g without tripod / 161 g with tripod Battery Life: Up to 6 hours Part #: 010-02618-10 UPC: 753759330736 Battery #: UN3481 Model #: A04185