Chargeable Ballistic Chronograph Premium Precision Bullet Shooting

1set x Chronograph. Speed Record: 40 group. Function is more abundant. Item Size: 130 80 50mm / 5.1 3.1 2.0in. Working Surrounding Temperature: -10℃ - 60℃. Cell(built-in): 1 3.7V 450mAh Lithium Cell.
1set x Chronograph. Speed Record: 40 group. Function is more abundant. Item Size: 130 80 50mm / 5.1 3.1 2.0in. Working Surrounding Temperature: -10℃ - 60℃. Cell(built-in): 1 3.7V 450mAh Lithium Cell.

Caldwell Ballistic Precision Chronograph Premium Kit with Tripod for Shooting Indoor and Outdoor MPS/FPS Readings

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The Ballistic Precision Chronograph provides accurate velocity measurements across a wide range of shooting conditions. Higher accuracy was achieved by using a high speed 48 MHz processor and by designing a circuit with an advanced data interface that allows each unit to be computer calibrated at the factory after assembly. Provides much better accuracy than other chronographs on the market.