BENETECH GM1030C Portable Split Digital Illuminometer LUX Meter 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)