Description: -Professional high precision light test tool. -Automatic and manual range conversion. -LCD screen display and measurement range is from 0 to 200000lux. -Functions: Auto Power Off, MAX/MIN Function, Relative Measurement, FC/Lux Unit Selection, Backlight, Data Hold. -Units conversion: Fc, Lux. Specification: Measurement range: 0~200000Lux / 0~20000FC Accuracy: +3% Resolution: 0.01Lux/0.01FC Display: 2000 counts Auto Range: Yes Manual Range: Yes Auto Power Off: Yes Max/Min Function: Yes Relative Measurement: Yes Backlight: Yes Undervoltage instructions: Yes Data Hold: Yes Power Supply: 1x9V 6F22 Battery (Not included) Size: 170x89x43mm/6.7x3.5x1.7inch Safety level: EN61010-1, EN61326-1 Package Includes: 1 Piece Digital Lux Meter 1 Piece User Manual Note: Please kindly note this Lux Meter comes without Battery