[4-Range Settings]: 4 ranges to choose from 0-200/2,000/20,000/200,000 Lux. [MAX/MIN Readings]: Digital illuminance meter is equipped with maximum, minimum, and average reading settings. [High Precision]: Range: 0.1~200,000Lux / 0.01~20,000Fc; Resolution: 0.1Lux / 0.01Fc; Accuracy: ±4%. [Convenient Switches]: Get better control over your readings with Data Hold for when you're recording information. [Environmental Meter]: Wide range of application, use lux light meter for set design, factory, office, school or home use.