✅【 High Precision LED Light Meter】 Built-in photosensitive chip, the range of this light meter is up to 400,000 Lux. +/- 4% of readings for 10000 Lux, 1000 FC; +/- 5% of readings +/- 10 digits for 400000 Lux/FC; 0.4 Second Fast Response; Measurement speed: 2~3 times / second. | ✅【 Backlit LCD Display 】 The light meter adopts a backlight display, allowing you to read the date clearly in the dark environment. The LCD screen will automatically shut down if there is no operation within 10 minutes to reduce power consumption. | ✅【 Compact & Easy to Use 】 Hand-held and ergonomics design make it fits hand perfectly, providing a comfortable grip feeling. The light sensor can be rotated 270º, beneficial to multi-directional detection. Supports auto zero, Max/Min value, auto ranging, low battery indicator, data hold, Lux/FC & ℃/℉units selection. | ✅【 Multifunctional Light Meter 】 With the help of silicon photo diode with filter, the LC-881D Lux meter can accurately read the lumen reading of LED lights, grow lights, sun light. Wide range of applications including use in office buildings, schools, factories, gardens, LED grow lights, industry, etc. | ✅【 100% Satisfaction Customer Service 】LYCEBELL provides 12-month limited warranty and 2 years extended warranty. Do not hesitate to contact us if you have any questions. Customer satisfaction is on our top priority.