UT383 is a mini light meter equipped with photoelectric sensing technology, which can effectively represent light intensity with electrical signals, then processes data and displays the result on LCD. Features: Intelligent Control: The luxmeter has an intelligent control panel with auto-off and auto-off function, which can be operated remotely by one button. Easy to Carry: The luxmeter is small and lightweight, easy to carry and store. it can be placed in your pocket or bag when not in use. Exquisite Workmanship: The luxmeter is made of high-quality ABS material, which is durable and has a long service life. Illumination Measurement Accuracy: Special light source mode calibration improves product accuracy and measurement pass rate. Wide Application: Widely used in lightening enterprise, agriculture and animal husbandry, mining enterprise, laboratory, office, household, street lights construction, camera & studios, photography, etc. Specifications: Model: UT383 Material: ABS Illumination: 0~9999Lux, 1 Lux, ±(4%rdg+8dgts) ≥10000Lux, 10Lux, ±(5%rdg+10dgts) Range: 0~199999Lux Sampling Time: 0.5s Overload Indication: OL MAX/MIN Measurement: MAX/MIN Data Hold: Yes Backlight: Yes Auto Power Off: 5 mins Sensor Type: Silicon photocell Impact Strength: Can withstand the impact of landing from 1 meter height Altitude Height: 2000m Safety: EN61326-1 Pollution Level: 2 Working Temperature and Humidity: 0-40 (not greater than 80%RH) 40-50 (not greater than 45%RH) Storage Temperature and Humidity: -20-60 (not greater than 75%RH) Power Supply: 3 * 1.5V AAA batteries (Not included) Item Size: 160 * 50 * 28mm / 6.29 * 1.97 * 1.10in Item Weight: 118g / 4.16oz Package Weight: 140g / 4.94oz Package Size: 17 * 6.2 * 4.1cm / 6.69 * 2.44 * 1.61in Package List: 1 * Mini Light Meter 1 * User Manual (English)