Pocket Size Digital Luxmeter, Measures 0-50,000 Lux in 3 Ranges, 4 Digit LCD Display, Spectrum Meets C.I.E. Standard0 50,000 Lux in 3 ranges, Accuracy: 5% + 2 digits Sensor uses an exclusive photo diode and multicolor correction filter, spectrum meets C. I. E standard Precise and easy readout, wide range Compact and lightweight. Carry case included. Separate light sensor allows user take measurements at an optimum position This handheld Lux Meter measures 0 50,000 Lux in 3 ranges with Accuracy: 5% + 2 digits. It features a separate light sensor, allowing you to