Fangrui Product Details 1. Tasi Integrated 100,000 Lux 0.1lux Display Precision Light Meter 2. Range: 100,000 Lux 3. Resolution: 0.1lux 4. Data Recording: 50 Groups 5. Spectral Response: Automaticmanual 6. Sampling Rate: About 2 Timessecond 7. Photoreceptor: Photodiode With Filter Lens 8. Function: Luxfc Conversion, Reading Lock, Low Voltage Prompt 9. Power Supply: 1.5v Aaa Battery X2 (not Included) 10. Size: About 18.5x5.5x3 Cm 11. Weight: About 150 Grams 12. Features: 13. The Back Bracket Design Can Be Placed On The Desktop For Stable Measurement According To The Usage Scenario 14. Support Data Storage Function, Easy To View Measurement Data, Can Store 50 Sets Of Data 15. High-sensitivity Photoreceptor, Sampling Frequency 0.5 Timessecond, Accurate And Reliable Measurement 16. With Soft Rubber Protective Cover, Effectively Anti-drop, Dust-proof And Shock-proof, Comfortable To Handle 17. Large Range, Suitable For Use In Various Scenarios, Home, School, Factory, Laboratory, Etc.