Brand Name: edgvsrng Certification: CE Origin: CN(Origin) Size: 165*64*28mm Model Number: AR813A Focal Length: 1~100.000lux Weight: 116g Wavelength Range: 1~100.000lux Type: Single Beam Spectrometers Measurement Range: 1~100.000lux Accuracy: -5%rdg -10 Unit Selection/Measure Selection: lux / FC, Auto Repeatability: -2% Sampling Frequency: 2 time/sec Resolution: 1lux 0.1C Data Hold Function /Backlight Display: illuminometer Max & Min Measuring/Auto Power Off: Light Meter Temp. Measuring: Luminometer Digital lux meter: luxmeter Power Supply: 9V battery (not inlcuded)