• OXV Thermo-Hygrometer Digital Temperature Humidity Meter, Professional Psychrometer with Dew Point and Wet Bulb Temperature Reader,Min/Max Value,Data Hold,Color LCD Display KWD 15
• OXV Decibel Meter/Sound Pressure Level SPL Reader, Handheld Digital Measure Gauge, Measurement Range 30-130 dB(A Weighted), Accuracy 1.5dB, MAX/MIN and Data Hold Function KWD 20.500