Features: Accurately measure light intensity up to 200000Lux (18500FC) with this professional digital luxmeter, featuring double unit display, ±3% high accuracy, and spectrals compliance for brightness testing in labs, studios, or outdoor environments. The handheld photometer boasts a 0.5 second sampling rate, auto ranging capability, and data hold function with backlit LCD screen, powered by three batteries for portable operations across diverse lighting conditions. Essential for horticulturists optimizing grow light setups, photographers calibrating studio equipment, and industrial inspectors verifying workplace illuminations standards with its spectrals response. Measure LED brightness in greenhouses, verify classroom lighting compliance, test exposure in labs, or analyze film set using the IP54 protected sensors and 18 segment memory storage. Engineered with ABS housing and low battery alerts, this compact light meter delivers laboratory grade precisions for both instantaneous readings . Specifications: Component: ABS. Size: 150mm/5.91''x52mm/2.04''x30mm/1.18'' Measurement ranges: Illuminance: 200000LUX, 1FC = 10.76LUX. Sampling rate: 2 times/second. Power Supply:3Pcs 1.5V Battery(not included) Package Includes: 1Set Digital Illuminance Light Meter note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.