Skýringarkennsla Handheld Illuminometer Lumometer Ljósmælir Luxmeter Light Meter

Handheld Illuminometer Luminometer Photometer Luxmeter Light Meter Diagam Instruction: 

① LCD Display

② ON/OFF button

③ Relative function button

④ Mode button

⑤ LUX/FU switch button

⑥ Sensor