High Performance: The digital lux meter is a professional instrument for measuring illumination and brightness. The illuminometer is designed in accordance with industrial safety and health measurement requirements. Brightness measurement range 0-200,000 Lux. The illuminometer uses photosensitive detection technology to measure light more stably and accurately. LCD Display: This mini portable digital lux meter has a backlit LCD display on which you can read the data clearly. This light meter has high precision and fast response, as well as an automatic zeroing function. You can measure the current illumination and temperature. Multifunction: The portable light meter is convenient to use, with high precision and fast response. High-precision light measurement. The illuminometer supports data hold, automatic shutdown, automatic and manual data storage, low battery indication function. You can switch between the illumination unit and temperature. Humanized Design: Ergonomic design makes operation easy and convenient. Small size, compact and lightweight, you can put it in your pocket. The soft rubber outer sleeve not only increases friction and prevents slippage, but also effectively protects the instrument. Suitable for Different Uses: Our digital light meter can be widely used for lighting testing in public stores, libraries, museums, lamp factories, shooting, stage lighting arrangement, light intensity measurement engineering, quality control, offices, transportation routes, families, etc. Specification: Total measuring range: 0-200,000 Lux Temperature measuring range: -9.9 ~ 49.9 Illuminance accuracy: 3% rdg (below 10,000 lux); 4%rdg (over 10,000 lux) Temperature accuracy: 1.0 Operating temperature/humidity: 0-40, 10-90%RH Storage temperature/humidity: -10-50C, 10-90%RH LCD update: 2 times/s Power supply: 3 x 1.5V AAA batteries (not included) Size: 195*55*30mm/7.7*2.2*1.2in Weight: about 200g Package list: 1 * WT81 Digital Lux Meter (batteries not included) 1 * Manual Note: This does not include other things, the color is based on the first picture, and other pictures only show the effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow the deviation. Thank you! becomeveryrich