Our facility is located in Pune, Maharashtra, India, and we are a Temperature and Humidity Sensor Manufacturers and transmitters with displays. The most recent improvement in low-cost HVAC transmitters for relative humidity and temperature is the HygroFlex1 series. The gadgets offer outstanding value for the money and come with the tried-and-true Hygromer® IN-1 sensor. You are able to scale, calibrate, and alter (just humidity) the transmitter using the optional ROTRONIC SW21 software. https://www.ssmicro.co.in/temprature-and-humidity-sensor.html D-2, Sector A7, Phase 1, Trans Delhi Signature City (Tronica City), Loni, Ghaziabad - 201102, India. 9811273283