Features Its photometric probe is used, the measurement is more accurate, the response speed is faster, the buttons are humanised and the use is more convenient. The super large LCD screen with bright backlight makes it easy to read the data and the sampling speed is up to 2.5 times per second. It is suitable for physical optics tests, window insulation effect tests, weather stations, agriculture, sunlight intensities. The UV radiometer has functions such as data storage, overload indicator, compass, low voltage indicator and automatic shutdown. Small, lightweight, can be taken with you, does not take up space and the measurement is simple and convenient. Specification: Item type: radiometer. Model: LX-107. Material: ABS Power supply: 1 x 6F22 9V (battery not included). Purpose: measurement of UV radiation Scope of application: physical optics test, window insulation test, weather station, agriculture, intensity of sunlight. Package list: 1 x radiometer (battery not included). 1 x user manual (English language 1 x tool bag. Note: 1. The top cover of the photometric sensor must be closed at the end of the measurement. 2. Before replacing the battery, please disconnect the test lead from all voltage circuits to avoid electric shock. Package List 1 x Radiometer (Battery Not Included) 1 x Manual 1 x Tool Bag