Supports unit conversion, data hold, and high-definition backlight Maximum and minimum value measurement included Automatic shutdown function Measurement range 0-200,000 lux, automatic range switching Automatic/Manual Shutdown Data retention function Main components of the photometric head: photodiode + cosine corrector + correction filter Temperature probe: thermistor Illumination range: Total range: 0 - 200,000 Lux, divided into three ranges: x1 range: 0 - 999.9 Lux, x10 range: 1000 - 9999 Lux, x100 range: 10000 - 200000 Lux Temperature range: -9.9 - 49.9 Illumination accuracy: Less than 10000 Lux: 3%rdg, 10000 Lux: 4%rdg Temperature accuracy: 2.0 Operating temperature and humidity: 0 - 40, 10 - 90%RH Storage temperature and humidity: -10 - 50, 10 - 90%RH LCD screen update: 2 times/second (The product printed words depending on the batch, but this does not affect use) Color: As Shown Material: ABS Package Contents: 1 x Digital Lux Meter Illuminometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.