MEASURE ILLUMINATION AND TEMPERATURE: 4 Ranges to choose from 0-200/2000/20000/200000 Lux, Accuracy: ±3% (less than10,000 lux) / ±4% (over 10,000 Lux). Temperature Range: -50℉ to 122℉ (-10℃ to 50℃), Accuracy: ±1%. | Memory Readings: Digital illuminance meter is equipped with maximum, minimum, and difference reading settings. Includes a data recording feature than can store up to 67 data sets. | Multifunction: The lux meter with an easy-to-read backlight LCD screen, High/Low Illumination tips, hold along with Lux/Foot Candles/°F/°C selection, Auto-off, Low Battery Indicator. | Use Friendly: The light intensity meter sensor on the light meter top with a tethered, detachable cap. preventing scratches and other damage. Thanks to the screw base, you can mount it on a tripod to keep it stable. | You Can Use This Light Meter in Many Environments: Including indoor, outdoor, LED grow lights, gardens, offices, schools, warehouses, photography, videography, hospitals, scientific, lab, and industrial applications.