["GN201 Luxmeter Digital Light Meter 200K for Lux Meter Photometer Portbale Handheld Illuminometer Photometer\n\nFeatures:\nHigh precision and high response speed\nHigh resolution color LCD display\nEnvironmental temperature detection\nMaximum and minimum measurement: MAX, MIN\nScreen lock: HOLD\nfor LUX/for FC measurement unit selection\n\nSpecification:\nMeasuring range: 0Lux~200K for Lux, 0Fc~20KFc\nResolution: <1000; 0.1 >1000; 1\nAccuracy: ±3% rdg ±8 d (<10,000Lux), ±4% rdg ±10d (>10,000Lux)\nTemperature range: -20℃~70℃/-4℉~158℉\nTemperature accuracy: ±1.5℃/2.7℉\nResolution: 0.1\nValue update: 500ms\nAutomatic shutdown: 15 minutes of automatic shutdown under no operation\nPower supply: 3 * 1.5V AAA (not included)\nOperating temperature and humidity: -20℃~60℃/-4℉~140℉, 10%RH~90%RH\nStorage temperature and humidity: -20℃~60℃/-4℉~140℉, 10%RH~75%RH\n\nPackage:\n1 * GN201 Illuminance Meter\n1 * Manual"]