Frequency compression

A visitor tries the greatest frequency push button. Pressing a number recorded for 20 seconds.

Base plate with one power switch and one light source and a digital counter push switch. A visitor tries the greatest frequency push button. Pressing a number recorded for 20(30 or 60) seconds.

Material: wood, electronics

Source: 220 V

Dimensions: 10 x 50 x 50

21IQ-0100