Feature:1. Lightweight And Compact: with compact size and light weight design, adopt 360° rotatable photosensitive head design, and connected with a retractable spring, you can hold and operate it very conveniently.2. Wide Measurement Range: with wide measuring range up to 200000LUX, 0.1Lux/0.1FC high display resolution, Lux or FC unit switchable.3. Light and Sound Alarm: the upper and lower limit alarm values can be set, and the audible and visual alarm prompt will be given once the range is exceeded.4. Data Hold Function: for conveniently checking the tested data and writing down the results.5. Clearly Display Screen: LCD display with backlight, easy for operation and reading the value.6. Wide Applications: can be used for measuring light intensity in home, office, school, laboratory, warehouse, factory, hospital, hotel, restaurant, airport, etc.7. More Features: Maximum, minimum, average, real-time value measurement, The automatic shutdown time can be set from 1 to 30 minutes, and the factory default is 10 minutes., and low battery indication function.Specification:Features:Lightweight And Compact: with compact size and light weight design, adopt 360° rotatable photosensitive head design, and connected with a retractable spring, you can hold and operate it very conveniently.Wide Measurement Range: with wide measuring range up to 200000LUX, 0.1Lux/0.1FC high display resolution, Lux or FC unit switchable.Light and Sound Alarm: the upper and lower limit alarm values can be set, and the audible and visual alarm prompt will be given once the range is exceeded.Data Hold Function: for conveniently checking the tested data and writing down the results.Clearly Display Screen: LCD display with backlight, easy for operation and reading the value.Wide Applications: can be used for measuring light intensity in home, office, school, laboratory, warehouse, factory, hospital, hotel, restaurant, airport, etc.More Features: Maximum, minimum, average, real-time value measurement, The automatic shutdown time can be set from 1 to 30 minutes, and the factory default is 10 minutes., and low battery indication function.Specifications:Range: 999.9, 99999, 19999 x10 LUX99.9, 999.9, 19999 FCAccuracy:±3%+5LUX (calibrated according to ordinary LED lamp at 2854°K)±6%+5LUX (other visible light sources)Characteristics of cosine angle deviation: 30°±2%; 60°±6%; 80°±25%Resolution:LUX: <1000(0.1LUX); ≥1000(1LUX)FC: <100(0.1FC); <1000(0.1FC); ≥1000(1FC)Sensors: digital illumination probe and filterOperating Environment: -10~50℃, maximum relative humidity of 80%, indoor altitude < 2000mStorage Environment: -10~50℃, maximum 70% relative humidity.Sampling Speed: about 8 times per secondIncident Angle: 120 degreesRepeat Test: ±2%Spectral Range: 400~700nmPower Supply: 2 * 1.5V AAA (LR03) battery(not included)Material: ABSItem Size: 190 * 57 * 32 mm / 7.48 * 2.24 * 1.26 inchItem Weight: 139g / 4.9ozPackage Size: 22 * 11.3 * 4 cm / 8.66 * 4.45 * 1.57 inchPackage Weight: 252g / 8.89ozPackage List:1 * Illuminator1 * Storage Bag1 * User Manual (English)Package List:1 * Illuminator1 * Storage Bag1 * User Manual (English)