ACETECH High precision bullet velocity device AC5000

Made in Taiwan, high-performance and value-price bullet velocity meter IR sensor with self-calibration function automatically maintains measurement accuracy Initial velocity measurement range: 30 to 400 m/s (displayed to one decimal place) Cycle measurement range: 100 to 5,000 rounds/min Record number of bullets: 25 Size: 117 x 97 x 59 mm Weight: 200g (excluding batteries) Power supply: 2 AA batteries (sold separately) Battery type: Batteries are sold separately and must be purchased separately.