1. Measuring range: 0.1-200000LUX/0.01-20000FC2. Measuring steps: 200/2000/20000/20000OLUX, 20/200/2000/20000FC3. Illumination display: 4-digit display, up to 19994. Sensor: silicon photodiode with a light filter5. Angle of incidence: 120 degrees6. Spectral range: 400-700nm7. Sampling rate: 2 times/second8. Automatic shutdown: 15 minutes (can be turned off manually)9. Operating environment: -10 - 50 degrees Celsius, relative humidity within 80%, indoor altitude less than 2000m10. Storage environment: -10 - 50 degrees Celsius, within 70% relative humidity (remove the battery)11. Power supply: 2 x 1.5V AAA (R03/LR03) batteries (not included)12. Display size: about 3.4 x 3.1cm13. Dimensions: About 16.8 x 5.9 x 3.4cm14. Weight: about 150gFeatures:1. High-precision probe with digital photodiode, filter lens, 120-degree angle of incidence2. LUX / FC two units switching3. Large HD display with white background lighting4. 15 minutes without operation after the automatic shutdown (can be canceled manually)5. Maximum / minimum value can be viewedPacking list:- Main unit x 1- Cloth bag x 1- Instruction manual x 1- Protective cover x 1Specification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 20cm * 8cm * 5cm / 7.87inch * 3.15inch * 1.97inch Qty per Carton 60 Carton Weight 12.00kgs / 26.46lb Carton Size 48cm * 43cm * 28cm / 18.9inch * 16.93inch * 11.02inch Loading Container 20GP: 461 cartons * 60 pcs = 27660 pcs 40HQ: 1071 cartons * 60 pcs = 64260 pcs