Specification:
Material: ABS
Measuring Range: 0.1~200,000 Lx, 0.01~20,000Fc
Resolution: 0.1Lx / 0.01Fc
Measurement Accuracy: ±4%
Sampling Frequency: 2 Times / Sec
Unit: Lx, Fc
Working Environment: 14 To 122°F (-10 To 50°C), 10%~90%RH
Storage Environment: 14 To 131°F (-10 To 55°C), 10% To 95% RH
Battery: 1 x 9V Battery (Battery Not Included)
Weight: Approx. 130g / 4.6oz
Size: Approx. 145x67x32mm / 5.7x2.6x1.3in

Package List:
1 x Light Meter (Battery Not Included)
1 x Instruction Manual

Measurement steps:
1. Remove the protective cover according to the direction mark.
2. Press the key to boot.
3. Short press the MODE button to select the desired unit Lux/FC, long press the MODE button to select the desired mode, divided into: current measurement / maximum measurement / minimum measurement, short press HOLD button to lock the screen.
4. The meter automatically measures by default. If you need to manually switch the range, press and hold the HOLD button to cycle through the range.
5. Take the meter to the top of the optical sphere and face the light source to get the reading.
6. Press the key to shut down and cover the protective cover.

Button function introduction:
Switch button: switch function.
MODE button: Short press to switch the measurement unit Lux / Fc. Long press to switch the measurement mode, divided into current mode / MAX maximum measurement / MIN minimum measurement.
HOLD button: Short press for lock screen function, long press cycle to switch range, jump back to automatic mode after loop: 200 --> 2000 --> 20000 --> 200000.
Automatic shutdown function:
The instrument has an automatic shutdown function, the button does not operate within 15 minutes, the meter will automatically cut off the power to save battery loss.