Material: Made of ABS material, lightweight and portable for outdoor use; handheld design. Graphic LCD screen display: Features a chronograph with high accuracy for precise readings; compact size allows for easy portability. Extra large sensor diameter: 25mm. Measures velocity effectively. Function: Chronograph designed to measure projectile speed; suitable for determining rate of fire, muzzle velocity, kinetic energy, and estimated range. Includes 1/4 inch standard adapter interface for tripod mounting. Testing must be conducted in a safe environment to prevent injury. Overview: Popular choice for enthusiasts, this chronograph calculates muzzle velocity, kinetic energy, estimated range, and rate of fire. Equipped with a graphic LCD display, intuitive controls, and a compact form factor. Delivers accurate and reliable measurements. Specifications: Color: Black Material: ABS Net Weight: 200g Size: 13 x 9.5 x 4.5 cm / 5.12 x 3.74 x 1.77 inches Testing Methods: Handle Test / Tripod Test Firing Speed: 03600 rounds per minute (060 rounds per second) Muzzle Velocity: 15800 m/s (502600 feet per second) Maximum Horizontal Range at 1m Height: 0400 meters (01250 feet) Kinetic Energy Range: 0500J Testing Accuracy: Error 1.3% Power Supply: DC 4.5V (3 x AAA batteries, not included) Operating Temperature Range: -10C to +50C Mounting: 1/4 inch standard adapter for tripod compatibility Package Contents: 1 x Speed Tester Note: The package includes only the items listed above. Other accessories are not included. Lighting and display differences may cause slight color variations between the product image and actual item. Measurement error allowance: 13 cm.