High Precision Measurements: Reliably captures speeds with exceptional accuracy. Clear LCD Display: Easily read measurements in real-time. Robust Construction: Built to withstand regular use in diverse environments. Portable Design: Compact and lightweight, making it easy to carry to different locations. Test scope: Speed rate: 0-3600 rounds per minute (0-60 rounds per second) Initial velocity: 15-800 meters per second (50-2600 feet per second) Firing kinetic energy: 0-500J Horizontal range at a height of 1M: 0-400 meters (0-1250 feet) Accuracy: Test error less than or equal to 1.3% Working voltage: DC 4.5V Working environment temperature: -10C to +50C Batteries: 3x AAA batteries, not included Due to different batches, there may be differences in product printed text, which will not affect use Color: Blue Material: ABS Package Contents: 1x Speed Tester Only the above package content, other products are not included Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.