General Tools UV513AB Digital UVC Meter， 280-400 nm<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Backlit LCD with four digit dual display with High and low measurements</li><li>Range in a unit mW/cm2 or uW/cm2 and automatic measuring</li><li>Low battery indicator</li><li>Over range indication and zero adjust</li><li>Includes Certificate of Traceable Calibration</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41%2BHMdENg4L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51LFuzpIg0L.jpg" noproxy>