Electronic and Piezo Buzzers/Indicators have drive circuitry built in. Only DC voltage is needed. Piezo indicator; 2-30V DC; 80db; PC leads; Diameter = 0.9"; Height = 0.25".
- Input Type: DC
- Voltage Range: 2-30VDC
- Frequency: 4kHz
- Technology: Piezo
- Leads Type: PC Leads
- Operating Mode: Single Tone
- Sound Pressure Level (SPL): 80dB @ 12V
- Dimensions: 0.25" (6.35mm) x 0.9 (22.86mm)