A must have for luminosity!This is 1010B illuminometer Luminosity Table. It is made of high quality and durable material for long time use. Good choice for you.                                    Features            New and high qualityPrecise and easy readoutHigh accuracy in measuringLSl-circuit use provides high reliability and durabilityPermits a wide range of light measurementsLow battery indicatorAdjusting zero automatically and excellent operationLCD display provides low power consumption and clearly read out evening high ambient lightSeparate light sensor allows user take measurements at an optimum position                                                            Specifications            Display    31 / 2 digits LCD display， maximunl reading value display 1999    <br>Ranges    1 - 100， 000 Lux. (3 Ranges)<br>2， 000 Lux range: reading x I<br>20， 000 Lux range: reading x 10<br>100， 000 Lux range: reading x 100    <br>Repeatability    ±2%    <br>Temperature characteristic    ±0.1℉/℃    Test rate    2 times / see.    <br>Photo detector    One silicon photo diode with filter.    <br>Operation temperature-humidity    0 ℃to 40℃（32℉-104℉ 0-70% Rh    <br>Storage temperature-humidity    -10℃ to 50℃(14℉-122℉) 0-80% Rh    <br>Over-input    Indication of "1" (2000 Lux / 20，000 Lux)<br>Indication of "OVER" (100，000 Lux)    <br>Dimension    106 x 57 x 26 ram (photo detector)<br>130 x 72 x 30 ram (meter body)<br>150cm (photo detector lead)    <br>Power supply    One 9 V battery， consumption current approx.2mA    <br>Weight    170g    <br>                                                            Package Includes            1 x 1010B illuminometer Luminosity Table1 x Battery1 x Carrying Case1 x User Manual