Specification:

Item Type: Luminometer
Material: ABS
Model: GM1020
Power Supply: 1.5V 3 x AAA Battery (Battery Not Included)
Purpose: Illumination Measurement
Measurement Object: Illuminance and temperature difference, maximum/minimum illuminance temperature, integrated illuminance and integration time, average integrated illuminance
Optoelectronics: Silicon Diode
Thermal Probe: NTC Thermistor
Measuring Range: 0-200.000Lx
Divided into 4 ranges:
X1 0: 199.9Lx
X10: 200 1999.9Lx
X 100: 2000 19999.9Lx
X 1000: 20000 200000Lx
Temperature Range: 0-40℃
Illumination Accuracy:
±3%(Below 10000Lx)
±4%(Above 10000 Lx)
Temperature Accuracy: ±1.0°
Operating Temperature/Humidity: 0-40℃, 10-90%RH
Storage Temperature/Humidity: -20-50℃, 10-90%RH

Package List:
1 x Luminometer (Battery Not Included)
1 x Toolbox
1 x English Manual
1 x Data Line
1 x CD