<b>Specification</b> <br> PARAMETER-Spectral bandwidth: 4nm;<br> Wavelength Range: 325-1000nm; <br>Transmittance Repeatability： ≤0. 2%T;<br> Stray Light: ≤0. 1% T<br> Maximum wavelength allowable error：±2<br><br> <b>NOTE: </b> <br> Thank you for choosing us!<br> All products sold by our company, we will enjoy the strict assurance of the quality and excellent service, you can feel comfortable to buy and use. <br>