According Standard ANSI S1 4-1984 and IEC 942 1988 Class 2
1/2 inch microphone adapters provided.
Low battery indicator.
Output frequency: 1kHz +/- 4%
Test condition
a) Environment Temperature
b) Relative humidity: 65%
c) Atmospheric pressure: 1013 mbar
Accuracy: +/- 0.5dB
DIMENSION
- Size : Dia. 48 x 125mm
- Weight: About 285g(including battery)