1. Sound level : 35 - 130 dB.
2. Humidity/Temp. : 10 to 95 %RH/0 to 50 C.
3. Light : 0 to 20,000 lux.
4. Dew point Temp. : -25.3 to 49.0 C.
5. Wet bulb Temp. :- 5.4 to 49.0 C.
6. Heat index : 0 to 100.0 C.
7. Type K thermometer : -50.0 to 1300.0 C.
* Power Supply : UM4/AAA (1.5 V) x 3 Pcs.