High Precision Measurements: Reliably captures speeds with exceptional accuracy.Clear LCD Display: Easily read measurements in realtime.Robust Construction: Built to withstand regular use in diverse environments.Portable Design: Compact and , making it easy to carry to different locations.Test scope: rate: 03600 rounds per minute (060 rounds per second)Initial velocity of : 15800 meters per second (502600 feet per second) firing kinetic energy: 0500JHorizontal range at a height of 1M: 0400 meters (01250 feet)Accuracy: Test error less than equal 1.3%Working voltage: DC 4.5VWorking environment temperature: 10 +50 Batteries:3xAAA Batteries,not includedDue to different batches, there may be differences in product printed text, which will not affect useColour:BlueMaterial:ABSPackage Contents:1x Speed TesterOnly 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 a little different from the real thing. The measurement allowed error is +/ 13cm.