Specification AgeRangeDescription : adult Brand : DISIROU BulletPoint1 : Fast sampling speed, digital display sampling rate: 2~3 times/second BulletPoint2 : LCD display, 40-segment analog stripe LCD display with backlight BulletPoint3 : Data hold, press the HOLD key to select the data hold function, press again to exit this function, the photometer will resume normal operation BulletPoint4 : The compact design is more convenient, please cover the upper cover of the photometric sensor at the end of the measurement BulletPoint5 : Maximum/minimum value, press the MAX/MIN key to select the maximum/minimum value reading function BulletPoint6 : Wide range of applications: It can be used to measure the light intensity in homes, offices, schools, laboratories, warehouses, factories, hospitals, hotels, restaurants, airports and other places. BulletPoint7 : More functions: maximum, minimum and average measurement, 15 minutes automatic shutdown, low battery indicator function. Color : One Color ExternallyAssignedProductIdentifier : 7503011143108 ExternallyAssignedProductIdentifier1 : 7503011142873 ExternallyAssignedProductIdentifier2 : 7503011142842 ItemName : DISIROU Digital Illuminance Light Meter Tester, Portable Photometer Illumination Meter Luminance Meter Photometer Illumination Meter Backlit LCD Display for Set Design, Factory, Office or Home use ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : photographic-light-meters Manufacturer : DISIROU ModelName : 1005004979096023 ModelNumber : 1005004979096023 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : 1005004979096023 ProductDescription : Display: 40-segment analog strip backlit LCD display Measuring range: 40, 400, 4000, 40000, 30000OLUX/FC Accuracy: ±(3.5%+20D)(<;10,00OLUX); ±(4.0%+20D)(>10,00OLUX) Overload display: Liquid display screen displays "OL" Spectral Response: CIE Adapted to Light (CIE Human Eye Response Curve) Sampling rate: 2-3 times/second (analog bar display) Probe sensor: silicon photodiode and spectral filter Probe wire length: about 150CM Operating temperature and humidity: 0-40℃; 0-80%RH Storage temperature and humidity: -10~50℃; 0%-70%RH Power supply: - a 9V battery Instrument size: 170*80*40MM Weight: 390G