4 in 1 for Light meter: Sound Level meter, Relative Humidity meter, and Temperature meter.
3 1/2 digit large LCD display with units of Lux, oC, oF, %RH and C & dB, A & dB indication.
Auto power off , Data hold and Maximum hold.
Accessories: 9V battery, temperature probe.
251mm x 63.8mm x 40mm.

4 in 1 Multifunction Environment Meter:
The 4-in-1 digital Multifunction Environment Meter has been designed to combine the functions of a Sound Level Meter, Light Meter, Humidity Meter, and Temperature Meter. It is an ideal multifunction Environment Meter Instrument with scores of practical applications for professional and home use.The Sound Level function can be used to measure noise in factories, schools, offices, homes, etc, checking the acoustics of studios, auditoriums, and hi-fi installations. The Light function is used to measure illuminance in the field. It is fully cosine corrected for the angular incidence of light. The light-sensitive component used in the meter is a very stable, long life silicon ciode.
The Humidity/Temperature uses a humidity/semiconductor sensor and K type thermocouple.

4 in 1 for Light meter, Sound level meter, Humidity/Temperature meter31/2 large LCD display
Data Hold and Max Hold

Auto Power Off.

“OL” Over-range indication

“BAT” Low battery indication

Total accuracy: for C.I.E standard illuminate A(2856K).