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% Brand NewItem Type: Light MeterMaterial: ABSModel: HT620RangeLX/FC 1000, 10000, 100000Accuracy±(3%+5Lx) calibrated at 2854°K according to ordinary incandescent lamp)±(6%+5Lx) other visible light sourcesCosine Angle Deviation Feature30°±2%60°±6%80°±25%CalibrationCalibrated as standard incandescent lamp at a color temperature of 2854°KResolution1LX/1FCSensorSilicon Photocell and Light FilterUse EnvironmentTemperature: 0~40℃, Humidity: <80%RH, Altitude: <2000mStorage Environment-10~50℃, Humidity <80%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 / 7.3 x 2.4 x 1.2 inWeightApprox. 274g / 9.7oz.Package List:1 x Light Meter (Battery Not Included) 1 x Instruction Manual 1 x Bag