<p>Material:Made of ABS Material,light weight and portable to carry outside, handheld device.</p> <p>Graphic LCD screen display:An chronograph with accuracy that gives you the most exact detailed readings; Compact in size, so this chronograph can be taken anywhere.</p> <p>Extra large size diameter: 25mm. You can even measure the velocity of .</p> <p>Function - chronograph is a great way to measure your power ince many barrels have twists\/ inch rifled inch and the handle needs to spin! Perfect for rate of fire, muzzle velocity, power of and prediction distance.</p> <p>1\/4 inch standard adapter interface for tripod mount.The testing must be carried on under a safe environment to prevent yourself and others from hurting by the .</p> <p>Overview:</p> <p>Popular amongst the community, Our chronograph is capable of calculating your muzzle velocity, power of , prediction distance and rate of fire.</p> <p>Graphic LCD display, great controls and compact size. It's accurate with readings and ratings.</p> <p>Specifications:</p> <p>Color: Black</p> <p>Material:ABS</p> <p>Net Weight: 200g</p> <p>Size: 13 x 9.5x 4.5 cm \/ 5.12 inch x 3.74 inch X 1.77 inch</p> <p>Testing : Handle Test\/Triped Test.</p> <p>Firing Speed: 0-3600 b\/m(0-60 b\/second)</p> <p>Muzzle Velocity: 15-800 m\/s(50-2600 feet\/second)</p> <p>1M High Firing Horizontal Range: 0-400 meters(0-1250 feet)</p> <p>Firing Kinetic Energy: 0-500J</p> <p>Testing Error less than equal 1.3%</p> <p>Voltage: DC 4.5V(3xAAA Batteries,not included)</p> <p>Temperatures Of Working Conditions: -10 Celsius to +50 Celsius</p> <p>1\/4 inch standard adapter interface for tripod mount</p> <p>Package Contents:</p> <p>1 * Speed Tester</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>