Endikal Gong Board

Microcontroller-controlled elevator gong board with single or dual tones. Supply: 12–24 V DC. Positive trigger: S1 for a single tone, S2 for a dual tone. Built-in speaker eliminates the need for an external speaker; recommended speaker rating: 8 Ω / 1 W. Compact design. Do not exceed the specified supply voltage. Warranty: 2 years.