BTMETER digital light meter BT-5000APP is a 3999 counts handheld lighting measure device with a sensitive light sensor, which measures the amount of light falling on it and provides a digital display of the measured light level in units lux or foot candles. Available to test light intensity from 0.1~400,000 Lux or 0.1~37,160 FC Foot Candle.
Commonly used in photography, cinematography, architecture, greenhouse farming, indoor plant growing and other fields where accurate light measurements are essential.

REMINDER: This is NOT a pro photography light meter, after given the basic lux readings, you'll need to do some maths to find your shutter speed and aperture.

Specifications and Accuracy：
Display: 3999 Counts
Range: 0.1 to 400,000Lux
Light Measure Accuracy:
+/- 4% of readings(0~ 10,000 Lux);
+/- 5% of readings +/- 1.5% f.s(10,000 lux~200,000 lux);
+/- 8% of readings +2.0%f.s (200,000 Lux ~ 40,000 lux);

Ambient temperature: 14°F ~ 122°F
Accuracy: ± 33.8°F

More Features:
Data Freeze
Low battery Indicator
Backlit LCD Display
15mins Automatic Shutdown
Max/Min/Real-time Meausre Modes
Lux and Foot Candle FC Units Switchable