Features 1. Split Type Design: the separation of the measurement part and reading part with retractable spring can avoid the influence of strong light on the naked eye. 2. Wide Measurement Range: 0-200000 lux and 0Fc ~ 20000Fc with switchable units of Lux / Fc and temperature units of degree C / degree F. 3. Large illumination probe effectively increases the measurement area with better processing efficiency in higher or narrower measurement environment. 4. 2 recording modes: automatic storage of illumination data (up to 2000 groups) and manual storage (up to 60 groups). 5. MAX / MIN / Difference Value / Data Hold functions, high accuracy with automatic range and quick response. 6. Large and clear LCD display with backlight for easy reading. 7. Low battery indication & auto power off, energy saving. 8. Widely used for monitoring light intensity in homes, laboratories, office, schools, indoor farming, etc. Specification 1. Material: Plastic 2. Measuring Range: 0 Lux ~ 200,000 Lux, 0Fc ~ 20000Fc 3. Power Supply: 3 x 1.5V AAA Batteries (Not Included)Specification: Package Weight One Package Weight 0.73kgs / 1.60lb One Package Size 27cm * 22cm * 7cm / 10.63inch * 8.66inch * 2.76inch Qty per Carton 20 Carton Weight 15.50kgs / 34.17lb Carton Size 45cm * 45cm * 35cm / 17.72inch * 17.72inch * 13.78inch Loading Container 20GP: 376 cartons * 20 pcs = 7520 pcs 40HQ: 873 cartons * 20 pcs = 17460 pcs