Specification BatteriesRequired : 1 Brand : PerfectPrime BulletPoint1 : Measuring Range Fully Covering 1 W/m2, 1 BTU and (ft2*h), 0.0 to 199.9/1999 W/m2 , 0.0 to 199.9/1999 W/m2 BulletPoint2 : Resolution: 0.0 ~ 1W/m2 、0.0 ~ 1 BTU /(ft2*h) BulletPoint3 : Accuracy: Typically within ± 10W/m2 [ ±3 BTU / (ft2*h) ] or ±5% whichever is greater in sunlight BulletPoint4 : Temperature Characteristics: ±0.38W/m2 / °C [±0.12BTU/(ft2*h)/°C] from 25°C BulletPoint5 : Battery: Size AA battery x 2 BulletPoint6 : Certificate of Traceable Calibration : Calibrated using Standards of NIST/USA or National Measurement Laboratory R.O.C BulletPoint7 : Made in Taiwan Color : default ExternallyAssignedProductIdentifier : 5060529684155 IncludedComponents : Meter ItemName : PerfectPrime LM533 Solar Light Meter ItemPackageDimensions_Height : 3 inches ItemPackageDimensions_Length : 3 inches ItemPackageDimensions_Width : 3 inches ItemPackageQuantity : 1 ItemTypeKeyword : photographic-light-meters ItemTypeName : Lens Hoods Manufacturer : PerfectPrime ModelName : NOENNULL19t2fo8vhn ModelNumber : LM533 NumberOfItems : 1 PartNumber : LM533 ProductDescription : The SOLAR LIGHT METER is designed for: Meteorology, Solar transmission measurement and Solar panel arrays Removable Probe For Easy Access To The Source MAX/MIN Function Data Hold Function Large LCD Display For Easy Reading 3 1/2 digits, 1999 Count LCD Auto Power Off Function ProductSiteLaunchDate : 2023-04-05T11:18:31.813Z Style : Solar Light SupplierDeclaredDgHzRegulation : not_applicable WarrantyDescription : 1