The transducer - buzzer in the housing.
Specifications:
- Rated voltage: 12 Vp-p
- Operating voltage: 3 ~ 16 Vp-p
- Resonance frequency: 3,7kHz ± 0,5kHz
- Rated current: 15mA at a voltage of 12 Vp-p
- Sound level: about 90dB
- Signal type: intermittent sound
- Operating temperature range: -30 ° C to + 70 ° C
- Case diameter: 38mm
- Weight: 8g