Product description: Model: AS803. Color: pictures show. Size: 162 * 47 * 25 mm. Material: plastic. Measuring range: 0-200,000 Lux. Accuracy: plus minus5% DGR, plus minus10dgts. Unit of measurement is switchable: Lux or FC. MAX / MIN / Data Hold functions. Temperature range: -10 to 50 / 14-122. Power supply: 3 * 1.5V AAA batteries (not included). Package includes: 1 * AS803 Digital Lux Meter. Description: Wide measuring range : Measurement range 1 to 200,000 Lux. Unit Lux/Fc Selection function. Portable size, lightweight, small, you can put the device in your pocket, easy to carry. With large LCD screen: many easier to read the data. Min/Max measurements, low battery indication, backlight function. Low battery detection - Built-in low battery indication, auto power off without operation after 3 minutes, convenient and power saving . Application: Widely used in electro-optical sources, research teaching, metallurgy construction, inspection ndustry, as well as agriculture and lighting control research.< /p> multiple functions: Has reading data hold function, maximum or minimum value display, auto power off Scope of application: SMART sensor lux tester can be widely used for light measurement in homes, supermarkets, offices, schools, hospitals, factories, etc. Lightweight and compact: handheld design and small size make the meter lightweight, easy for you to carry it. carry; Compact and ergonomic design makes the meter fits the hand perfectly, providing a comfortable grip feeling Wide measuring range: Measurement range 1~200,000 Lux. switchable measurement units: Lux and FC. Temperature range: -10~50 / 14~122 main functions: AS813 Lux Light Meter is used to measure the visible light produced by fluorescent lamp, metal halide lamp, high voltage sodium lamp or incandescent electric lamp for vivid and intuitive image display