According to JISC1609 : 1993 and CNS 5119 general A class specifications
Spectral response close to CIE luminous spectral efficiency
Measuring the intensities of illumination displays in unit of Lux or Foot-candle
Silicon photo diode and filter
Measuring light source include all visible light source
Cosine angular corrected
Auto power off and disable function
Data hold, Max/Min/AVG hold
Real Zero function
Auto ranging

Light Source Selecting: Tungsten/Daylight, Fluorescent, 0~9 select rating
Measuring range: 40,400,4,000,40,000,400,000 Lux, 40,400,4,000,40,000Foot-candel
Accuracy: +/-3%+/-3Lux(0~500Lux), +/-3%(up 501 Lux) (Calibrated to standard incandescent lamp 2856oK),
+/-8% (other visible light source)
Dimension: 133mm x48mm x23mm (LxWxH)
Power: 2 batteries 1.5V AAA
Weight (including battery): 80g

AZ8581 Digital Light Meter
Battery
Safety wrist lanyard
Operation manual