【Widely used】 Measurement visible brightness, measurement range is wide.Can be widely used in such as schools, hospitals, factories, airports, families and other occasions of brightness measurement. | 【Unit switch】llumination:200000LUX,1FC=10.76LUX;Unit:LUX、FC.Press MODE key to convert illuminance unit( LUX/FC ). | 【Measurement time】S | 【MAX/MIN】Press the RANGE key to measure the MAX ,MIN； | 【Data HOLD】Press the HOLD key to enable/disable data retention； | 【Backlight function】Press the backlight button to turn on/off the backlight; | 【Auto Power Off】The meter will automatically shut down 5 minutes after starting to save power; | 【Low-battery indicator】When the battery voltage decreases to a certain level, the battery symbol in the upper right corner of the display lights up, and the battery should be replaced

Temperature measurement range:-50℃-500℃ (-58℉-932℉）Display resolution: 0.1 ℃ or 0.1 ℉ | ℃/℉ conversion selection function | LCD backlight (convenient for use at night).When backlight is on,any operations will activate the backlight. | [Data hold]When pull the trigger, LCD display reading with SCAN icon. Release the trigger, display reading with HOLD icon. Built-in 8 sec auto power off function. | [Emissivity:0.95 preset]Most organic materials and painted or oxidized surfaces have an emissivity of 0.95 (pre-set in the unit). Inaccurate readings will result from measuring shiny or polished metal surfaces. To compensate, cover the target surface with masking tape or flat black paint. Measure the tape or painted surface when the tape or painted reach the same temperature as the material underneath. | Automatic shutdown function (about 8 seconds） | [Power] AAA*2 batteries,easy to buy