4-Range Settings: This high-quality digital illuminance/light meter has 4-range settings, 0/200/2,000/20,000/200,000 Lux, for a dynamic metering ability. High Accuracy: With auto zeroing capabilities, you can be sure you'll always get a reading with pinpoint accuracy, and it will always be fast! EZ-Read Display: Clearly readable info lets you read Units and Signs easily, and stay informed with the over-range indicator. Convenient Switches: Get better control over your readings with Data Hold & Peak Data hold for when you're recording information. You'll also benefit from its lower power consumption and short rise and fall times. Bring Anywhere: From squeezing into tight places to keeping your load light, you can bring the Dr.Meter Digital Illuminance/light meter wherever you need to. Fits easily into a work bag or large pocket and barely adds any weight. It's the ultimate in light-metering convenience!