Sunche Digital Light Meter HS1010 Professional Illuminance Light Meter Illuminometer Luxmeter Photometer 200000 lux Test range: 0Lux-200000Lux; 20/200/2000/20000Fc LUX/FC unit selection. Reading locked hold. Max and min reading hold function. Automatic measuring. Automatic data recording. Low battery indication. Suitbale for school, workplaces and all visible light environment