Feature:1. Support for backlight display, convenient for using and more clear reading.2. It features accurate light measurement, fast and sensitive, convenient to use.3. 180 degrees rotating probe for easier measurement, easy to operate and measure.4. Support for automatic power off function, data hold, maximum value and maximum value.5. Comes with a storage bag, compact, portable and easy to carry, durable for long time use.Specification:Condition: 100 percent Brand NewItem Type: Light MeterMaterial: ABSModel: HT620RangeLX or FC 1000, 10000, 100000Accuracy(3 percent and5Lx) calibrated at 2854K according to ordinary incandescent lamp)(6 percent and5Lx) other visible light sourcesCosine Angle Deviation Feature302 percent 606 percent 8025 percent CalibrationCalibrated as standard incandescent lamp at a color temperature of 2854KResolution1LX or 1FCSensorSilicon Photocell and Light FilterUse EnvironmentTemperature: 0-40, Humidity: andlt 80 percent RH, Altitude: andlt 2000mStorage Environment-10-50, Humidity andlt 80 percent RHSampling RateAbout 2 Times per SecondSpectrum Range320-730nmAutomatic Power Off10 MinutesPower Supply3 x 1.5V AAA (LR03) Battery (Not Included)Product SizeApprox. 185 x 60 x 30 mm or 7.3 x 2.4 x 1.2 inWeightApprox. 274g or 9.7oz.Package List:1 x Light Meter (Battery Not Included) 1 x Instruction Manual 1 x Bag