LM-8102 5 in 1 Digital Anemometer capable of measuring several parameters like Sound Level, Air Velocity, Light, Temperature, and Relative Humidity. It also includes features like Hold, Zero calibration, RS232/USB output interface. This Digital, Portable, and Handheld Sound level meter, Anemometer, Light Meter, Temperature and Humidity (Thermo Hygrometer) and Thermometer acoustic Vehicle motor Theatre office school auditorium recording room and Quality Control, photography photoshoot lab greenhouse warehouse white & color balance, Thermo hygrometer is much suitable in industrial applications like Weather Stations, Greenhouse, Ventilation systems, Constructions.