Specification Amount : 525.95 Binding : Misc. Brand : Images SI Inc. CurrencyCode : USD IsAutographed : false IsMemorabilia : false Label : Images SI Inc. Manufacturer : Images SI Inc. MaterialType : Plastic PartNumber : GCA-07 ProductGroup : Home Improvement ProductTypeName : TOOLS Publisher : Images SI Inc. SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41BKDa8W55L._SL75_.jpg SmallImage_Width : 41 Studio : Images SI Inc. Title : GCA-07 Professional Geiger Counter Nuclear Radiation Detection Monitor with Digital Meter and Internal GM Tube - NIST Calibration Ready- 0.001 mR/hr Resolution - 1000 mR/hr Range