This 2900 Hz tone generator is supplied on a 1/8 size rat modular panel with a screwdriver adjustable volume control. Units without volume control produce a piercing sound at greater than 85 dB with considerable variability between
units. These units are factory set at approximately 65 dB.

Dimensions:
Panel: 3.0" W x 1.625" H (7.6 cm x 4.1 cm)